Paediatrics Flashcards

1
Q

Name some common viral causes of RESPIRATORY infections (80-90% of infections are viral)

A
  • Respiratory syncytial virus (RSV)
  • Rhinovirus
  • Influenza
  • Metapneumovirus
  • Adenoviruses
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2
Q

Name some common bacterial causes of RESPIRATORY infections

A
  • Strep penumoniae
  • haemophilus influenza
  • Moraxella catarrhalis
  • Bordetella pertussis
  • Mycoplasma pneumoniae
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3
Q

Risk factors of RESPIRATORY infections?

A
  • Parental smoking
  • Poor socioeconomic status (damp/ overcrowded)
  • Poor nutrition
  • Male gender
  • Immunodeficiency

Underlying condition

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4
Q

Give some examples of URTIs and what they can cause

A
  • Coryza (cold)
  • Sore throat (pharyngitis, tonsillitis)
  • Acute otitis media
  • Sinusitis

Cause:
Difficulty feeding
Febrile convulsions
- Asthma exacerbations

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5
Q

Describe symptoms of the common cold

Common pathogens

and the treatment

A
  • Clear/ mucopurulent nasal discharge and nasal blockage

Common pathogens:
Rhinovirus
coronaviruses
RSV

Paracetamol
Ibruprofen

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6
Q

Common pathogens and symptoms of Pharyngitis

A

Viral

  • Common cold viruses
  • Adenoviruses
  • EBV

Bacterial (older children)
- Group A beta-haemolytic strep

Pharynx and soft palate inflamed

Local lymph nodes enlarged and tender

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7
Q

What is Tonsillitis?

A

Form of pharyngitis where there is intense inflammation of the tonsils often with purulent exudate

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8
Q

What is the CENTOR criteria?

A
  • Tonsillar exudate
  • Tender anterior cervical lymphadenopathy
  • Fever
  • Absence of cough

3+ of these criteria = Strep infection- Abx

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9
Q

What is Quinsy?

A

Peritonsillar abscess (complication of tonsillitis)

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10
Q

Give some symptoms of Quinsy

A
  • Sore throat, dysphagia, uvula deviation, trismus (lockjaw)
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11
Q

Management of tonsillitis?

A

Symptomatic relief : Para and Ibruprofen

Penicillin V or Erythromycin

Tonsillectomy in recurring cases

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12
Q

What is Acute Otitis media and why is it common in children?

A

Infection of the middle ear due to short, horizontal eustachian tubes and mucal discharge almost always the middle ear

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13
Q

Presenting complaint of Acute Otitis media?

A
  • Rapid onset ear pain (due to bulging of tympanic membrane)

Pyrexia/fever

Otorrhoea

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14
Q

Management of Otitis media?

A

> 4 days of no symptoms: Amoxicillin / Erythromycin

Grommet insertion if recurrent

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15
Q

What is the leading cause of hearing loss in children?

A

Otitis media with effusion or glue ear

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16
Q

management of sinusitis?

A

Amoxicillin/ doxycycline

Avoid antihistamines as it may thicken secretions

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17
Q

Signs of upper airway obstruction?

A
  • Stridor
  • Hoarseness
  • Barking cough (sea lion)
  • Dyspnoea
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18
Q

How is the severity of upper airway obstruction assessed?

A

Degree of chest retraction and degree of stridor

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19
Q

What should you avoid in a suspected upper airway obstruction?

A

Avoid examination using a spatula as this may precipitate total obstruction

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20
Q

Describe why hoarseness occurs

A

Inflammation of the vocal cords

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21
Q

What is stridor?

A

Rasping sound heard predominantly on inspiration

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22
Q

CROUP

What is it otherwise known as?

A

Laryngotracheobronchitis

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23
Q

CROUP

What is it?

A

Mucosal inflammation and increased secretions that affect the airway

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24
Q

CROUP

Where is oedema dangerous?

A

Subglottic area as this may result in critical narrowing of the trachea

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25
CROUP Viral causes?
Parainfluenza 1, 2, 3 (most common) Metapneumovirus RSV Influenza
26
CROUP When is it most common?
Autumn time, between the ages of 6 months to 6 years with a peak incidence around 2 years old
27
CROUP Clinical presentation?
- Barking cough (worse at night) - Harsh stridor - Hoarseness - Preceding non specific viral URTI (coryza, fever, cough) WORSE AT NIGHT
28
CROUP Signs of severe disease?
Cyanosis Altered consciousness Rising HR/RR Restlessness
29
What is Bacterial Tracheitis?
Pseudomembranous croup is an uncommon but dangerous disease very similar to severe croup but with: - High fever - Appears toxic - Tracheal tenderness - Rapidly progressive airways obstruction (thick exudate cant be cleared by coughing)
30
What is bacterial tracheitis caused by and what is the management?
S.aureus, Strep A, haemophilus IV Abx
31
What is Acute Epiglottitis and what is it caused by?
Life threatening emergency due to high risk of respiratory obstruction caused by: Haemophilus influenza type B
32
What affect has the Hib immunisation had an the incidence of epiglottitis?
>99% reduction in cases, most common in ages 2-7 years
33
Clinical presentation of Acute Epiglottitis?
- Intense swelling of epiglottis - Onset very acute - High fever - Dysphagia and speech difficulty due to pain - Drooling - Stridor - Minimal cough
34
In what position would you expect a child with trachea obstruction to be in?
Immobile, upright, with an open mouth to optimise the airway
35
What should you never do when suspecting obstruction of the respiratory tract/ acute epiglottitis?
Do not examine throat with spatula or lie the child down Do not upset or cannulate
36
Management of Acute Epiglottitis?
IV Abx- Cefotaxime Intubate Tracheostomy may be required if complete obstruction
37
What is the difference between Croup and Acute Epiglottitis in terms of: 1) Onset 2) Cough 3) Preceding coryza 4) Able to drink
Croup 1) onset: days 2) Severe barking cough 3) preceding coryza 4) can drink Acute Epiglottitis 1) onset: hours 2) absent/ minor cough 3) no preceding coryza 4) cant drink
38
What is the difference between Croup and Acute Epiglottitis in terms of: 1) Drooling? 2) Appearance of child 3) Fever 4) Stridor and voice/cry?
Croup 1) no drooling 2) unwell appearance 3) fever <38.5 4) harsh stridor with hoarse cry Acute Epiglottitis 1) drooling 2) toxic, very unwell 3) fever >38.5 4) soft whsipering stridor, muffled cry/ reluctant to speak
39
WHOOPING COUGH (PERTUSSIS) What is it?
NOTIFIABLE DISEASE Acute, highly contagious resp infection transmitted by respiratory droplets Co- infection with RSV (Bronchiolitis) common
40
WHOOPING COUGH (PERTUSSIS) Causing agent?
Bordetella pertussis, gram negative coccobacillus
41
WHOOPING COUGH (PERTUSSIS) How long do symptoms last and what is the first stage?
6-8 weeks and the first stage is the Catarrhal Stage
42
WHOOPING COUGH (PERTUSSIS) Clinical presentation of the Catarrhal stage? (1st stage)
- Malaise - Conjunctivitis - Nasal discharge - Sore throat - Dry cough - Mild fever
43
WHOOPING COUGH (PERTUSSIS) What is the second stage?
After two weeks of the catarrhal phase it becomes the Paroxysmal coughing stage
44
WHOOPING COUGH (PERTUSSIS) Describe the Paroxysmal coughing stage
Dry hacking cough that is worse at night and after feeds coughing episodes folllowed by characteristic 'whoop'
45
WHOOPING COUGH (PERTUSSIS) What is the characteristic 'whoop'?
Inspiration against a closed glottis, Child chokes, gasps and face reddens
46
WHOOPING COUGH (PERTUSSIS) What can happen post cough?
Vomiting, Apnoea Cyanosis subconjunctival haemorrhage/ anoxia can be brought on by coughing fits, leading to seizures/syncope
47
WHOOPING COUGH (PERTUSSIS) Diagnostic tests?
- Notifiable disease - PCR via nasal swab - Nasopharyngeal swabs - test for anti- pertussis IgG - Marked lymphacytosis= COMMON
48
WHOOPING COUGH (PERTUSSIS) treatment?
- Hospitalised 1%- if <6 months (risk of apnoea) 10-14 days incubation Macrolides 1st Line: Azithromycin or Clarithromycin or Erythromycin Erythromycin for pregnant women Off school for 48 hours after Abx commencement
49
BRONCHIOLITIS What is it?
commonest lung infection in infants rare after 1 years of age and peak 3-6 months
50
BRONCHIOLITIS what makes this more severe?
Congenital heart defects Cystic Fibrosis Down's
51
BRONCHIOLITIS Cause?
RSV in 80%of cases ( Respiratory syncytial virus) Metapneumovirus Parainfluenza Rhinovirus Adenovirus
52
BRONCHIOLITIS Cause of severe bronchiolitis?
RSV and Metapneumovirus dual infection is associated with severe bronchiolitis
53
BRONCHIOLITIS Risk factors?
- Premature/ low birth weight - Cystic Fibrosis - Congenital heart disease - Down's - Immunocompromised
54
BRONCHIOLITIS Clinical presentation?
- Coryza precedes dry cough - Increasing breathlessness - feeding difficulties - fever - tachycardia
55
BRONCHIOLITIS When should a child be admitted?
- Infrequent feeding - Respiratory distress - hypoxia
56
BRONCHIOLITIS Diagnostic tests and results?
- Pulse oximetry - viral throat swab Not routine: CXR- exclude pneumothorax blood gas analysis, FBC
57
BRONCHIOLITIS Treatment?
Oxygen therapy Supportive (NG nutrition, fluids, temp control) ventilation (CPAP)
58
BRONCHIOLITIS What is Ribavirin?
Antiviral meds against RSV, Used for Hep C with (interferons/ simeprevir, sofosbuvir) and some haemorrhagic fevers
59
BRONCHIOLITIS What is Ribavirin?
Antiviral meds against RSV, Used for Hep C with (interferons/ simeprevir, sofosbuvir) and some haemorrhagic fevers
60
BRONCHIOLITIS Signs on examination
wheeze and end inspiratory crackles Cyanosis Sub/ intercostal recession Hyperinflation of chest
61
BRONCHIOLITIS Associated signs with hyperinflation of the chest
Prominent sternum Liver displaced downwards
62
What should be given if SpO2 <92%?
High flow humidified oxygen via nasal cannulae
63
PNEUMONIA Cause in: Newborns?
Group B strep- maternal Gram negative enterococci
64
PNEUMONIA Cause in: Infants and young children?
Strep pneumoniae haemophilus influenza B Staph A (infrequent but serious) Mycobacterium tuberculosis
65
PNEUMONIA Cause in: Viral cases?
RSV Influenza A/B Parainfluenza Adenovirus
66
PNEUMONIA Cause in: Atypical?
Mycoplasma pneumoniae Chlamydia pneumoniae
67
PNEUMONIA Diagnostic tests?
- Cough - fever - lethargy - poor feeding - respiratory distress
68
PNEUMONIA Symptoms of respiratory distress?
``` tachypnoea cyanosis grunting intercostal recession use of accesory muscles nasal flaring ```
69
PNEUMONIA Tests for severe?
blood cultures sputum culture FBC, CRP CXR
70
PNEUMONIA Signs in older children?
end inspiratory crackles bronchial breathing pleuritic pain
71
PNEUMONIA Treatment?
If resp distress/ O2 <92%- admit to hospital - Oxygen - IV fluids - IV Abx for newborns
72
PNEUMONIA What Abx are 1st line?
Amoxicillin Alternatives: Clarithromycin Co-amoxiclav Azithromycin
73
ASTHMA What are the two types of wheeze?
transient early wheeze persistent and recurrent wheezing
74
ASTHMA What is transient early wheeze?
viral associated wheeze- RSV small airways obstructed due to inflammation more common in males and resolves by 5 years of age
75
ASTHMA What is persistent and recurrent wheeze?
Presence of IgE to common inhalant allergens (Atopic Asthma) Common in family Hx and associated with eczema, hayfever, food allergies
76
ASTHMA Pathophysiology?
Bronchial inflammation leads to: 1) Oedema 2) Excessive mucous production 3) Infiltration of cells
77
ASTHMA What does bronchial inflammation lead to?
Airway narrowing and reversible airflow obstruction
78
ASTHMA What cells infiltrate the bronchials
Eosinophils Neutrophils Mast cells Lymphocytes
79
ASTHMA Risk factors?
``` Low BW Family Hx Bottle fed Atopy Male Pollution ``` ADAM33 Gene
80
ASTHMA Triggers?
``` Pollen Dust Feathers Exercise Pollution Cold air Illness (viruses) ```
81
ASTHMA Diagnostic tests?
CXR to rule out other causes Spirometry Peak flow shows diurnal variation
82
ASTHMA Clinical presentation?
Polyphonic wheeze (expiratory- obstruction) Coughing SOB Symptoms worse at night and morning SILENT CHEST RED FLAG- exacerbation
83
ASTHMA treatment for ages 5-16
Step 1: SABA (salbutamol) Step 2: SABA + low dose ICS (beclomethasone) Step 3: SABA+ ICS + LTRA (Montelukast) Step 4: SABA+ ICS + LABA (salmeterol) Step 5: SABA + low dose MART (ICS and fast acing LABA- formoterol) Step 6: SABA + moderate dose MART
84
ASTHMA Treatment to under 5
1) SABA 2) 8 week moderate dose ICS trial 3) Add LTRA
85
ASTHMA Treatment to severe asthma attack?
O SHIT ME Oxygen Salbutamol (nebulised) Hydrocortisone IV/ oral prednisolone Ipratropium bromide (nebulised) Theophylline IV Magnesium sulphate IV Escalate
86
What is Kartagener syndrome?
rare, autosomal recessive genetic ciliary disorder comprising the triad of situs inversus, chronic sinusitis, and bronchiectasis. This leads to recurrent chest infections
87
CYSTIC FIBROSIS What is it?
Alteration of the viscosity and tenacity of mucous produced at epithelial surfaces
88
CYSTIC FIBROSIS What is the classic form of CF?
Bronchiopulmonary infection and pancreatic insuffieciency with a high sweat sodium and chloride concentration
89
CYSTIC FIBROSIS Defective gene?
Mutations with cystic fibrosis transmembrane conductance regulator gene on chromosome 7 (CFTR)
90
CYSTIC FIBROSIS How is it caused?
CFTR gene is for a critical chloride channel, 1) Decreased excretion of chloride into the airway lumen and an increased reabsorption of sodium into the epithelial cells 2) With less excretion of salt there is less excretion of water and increased viscosity/ tenacity of airway secretion
91
CYSTIC FIBROSIS Cause?
Autosomal recessive Commonest is a deletion at position 508 in amino acid sequence which results in a defect to the CFTR gene
92
CYSTIC FIBROSIS Respiratory Clinical presentation?
Recurrent infections Sinusitis Nasal polyps SOB and haemoptysis Airflow limitation and bronchiectasis Respiratory failure cor pulmonale (RVH - late sign)
93
CYSTIC FIBROSIS GI Clinical presentation?
Steatorrhoea due to pancreatic dysfunction 10% meconium ileus cholesterol gallstones Increased incidence of peptic ulceration and GI malignancy
94
CYSTIC FIBROSIS Nutritional effects?
- Malnutrition due to malabsorption | - Failure to thrive and slow growth
95
CYSTIC FIBROSIS Other Clinical signs? signs in a male/female?
Puberty and skeletal maturity delay - Male almost always infertile - Secondary amenorrhoea in females Arthropathy and DM in 11% of adults with CF
96
CYSTIC FIBROSIS Diagnostic tests?
All UK newborns screened SWEAT TEST: - sodium conc >60mmol/L
97
CYSTIC FIBROSIS Antibiotic Treatment?
younger: s.aureus, strep. pneumoniae EVENTUALLY >90%: Pseudomonas aeruginosa, (nebulised anti-pseudomonal Ab therapy helps improve lung function)
98
CYSTIC FIBROSIS Drug therapy?
B2- agonists ICS Symptomatic relief Lung transplant if FEV1 <30% expected
99
CYSTIC FIBROSIS method of airway clearance?
inhalation of recombinant human deoxyribonuclease (rhDNAse) hypertonic saline by inhalation Amiloride (inhibits sodium transport) Acetylcysteine
100
CYSTIC FIBROSIS Pancreatic insufficiency treatment?
PERT | pancreatic enzyme replacement therapy
101
CYSTIC FIBROSIS Complications?
- Cirrhosis - DM - Haemoptysis - Male infertility - Pneumonia - Pneumothorax - Pulmonary osteoarthropathy
102
What are the 3 categories of Congenital Heart Disease?
1) Holes / connections 2) Narrowing / stenosis 3) Complex (right to left shunt)
103
Give some examples of 'holes/ connections of CHD?
ASD PDA VSD AVSD
104
Give some examples of 'narrowing/ stenosis' of CHD?
Coarctation of the aorta (collapse with shock) AS PS
105
Give some examples of complex CHDs?
Tetralogy of Fallot Transposition of the great arteries
106
What does right to left shunts cause?
Cyanosis
107
Signs of a possible CHD?
- Poor feeding - Dyspnoea - Tachycardia - Cool peripheries - Acidosis on ABG
108
Investigations of CHD
FBC. CXR, PaO2, Echo +/- cardiac catheterisation
109
ATRIAL SEPTAL DEFECT Causes?
Foetal alcohol syndrome, common in trisomy 21
110
ATRIAL SEPTAL DEFECT Types?
- Ostium Primum 10% - Ostium Secondum 90% (10-15% of all CHDs) - AVSD
111
Listening to S2: If it is split (double) during inspiration and single during expiration what does it mean?
Normal!
112
Listening to S2: If it is split (double) all the time what does it mean?
ASD
113
Listening to S2: If it is never split (double) what does it mean?
All other CHDs
114
ATRIAL SEPTAL DEFECT Clinical features?
Fixed and widely split S2 ejection systolic murmur in pulmonary area
115
ATRIAL SEPTAL DEFECT Investigations and management?
CXR ECG Surgical correction
116
PATENT DUCTUS ARTERIOSIS What is it?
tube between the aorta and pulmonary artery that fails to close after birth
117
PATENT DUCTUS ARTERIOSIS Clinical features?
- poor feeding - Tachypnoea - Hepatomegaly - Oedema - Pneumonias
118
PATENT DUCTUS ARTERIOSIS Severe clinical features?
CCF + pulmonary hypertension
119
PATENT DUCTUS ARTERIOSIS Features on examination?
Large, bounding collapsing pulse Heaving apex beat Left subclavicular thrill LOUD S2 gallop rhythm
120
PATENT DUCTUS ARTERIOSIS murmur heard?
Classical continuous machinery murmur pulmonary area
121
PATENT DUCTUS ARTERIOSIS Investigations?
ECG and CXR often normal Echo- ensure no duct dependant circulation (e.g in pulmonary atresia)
122
PATENT DUCTUS ARTERIOSIS management?
Ibuprofen/ Indomethacin (prostaglandin inhibitor) to close Abolish lifelong bacterial endocarditis risk by SURGERY
123
VENTRICULAR SEPTAL DEFECT what is there risk of?
HIGH risk of bacterial endocarditis
124
VENTRICULAR SEPTAL DEFECT Clinical features?
Usually mild - poor feeding - Tachypnoea - Hepatomegaly - Oedema
125
VENTRICULAR SEPTAL DEFECT Examination findings?
Thrill Gallop rhythm Active pre-cordium
126
VENTRICULAR SEPTAL DEFECT What murmur is heard?
Harsh loud pansystolic mumur best heard in LLSE +/- thrill
127
VENTRICULAR SEPTAL DEFECT Investigations?
Echo - precise defect ECG - hypertrophy CXR- cardiomegaly and enlarged PA + pulmonary oedema
128
VENTRICULAR SEPTAL DEFECT Management?
Muscular VSDs 30% close spontaneously Heart failure: Diuretics additional calorie input SURGERY to prevent damage to pulmonary capillary bed due to pulmonary HTN and high blood flow
129
ATRIOVENTRICULAR SEPTAL DEFECT What is it common in?
Trisomy 21
130
ATRIOVENTRICULAR SEPTAL DEFECT Clinical features?
- poor feeding - Tachypnoea - Hepatomegaly - Oedema - Failure to thrive EXAM - Thrill - Gallop rhythm
131
ATRIOVENTRICULAR SEPTAL DEFECT Examination findings?
Present at antenatal US scan Cyanosis at birth/ heart failure at 2-3 weeks No murmur Often detected by echo check up in Down's
132
ATRIOVENTRICULAR SEPTAL DEFECT Management?
Treat heart failure Surgical repair at 3-6 months
133
COARCTATION OF THE AORTA What is it?
Arterial duct tissue encirculing the aorta at the point it inserts into the duct: 1) Constricts aorta when duct closes 2) Obstruction to LV outflow
134
COARCTATION OF THE AORTA Clinical features?
When ductus arteriosus closes; acute circulatory collapse Weak femoral pulses Radio-femoral delay Heart failure Metabolic acidosis
135
COARCTATION OF THE AORTA Investigations and examination findings?
4 limb BP Ejection systolic murmur CXR- cardiomegaly
136
COARCTATION OF THE AORTA Management?
Surgical repair by 5 years old
137
AORTIC STENOSIS What is it?
Aortic valve leaflets partly fused together- restricted exit from LV
138
AORTIC STENOSIS Clinical features?
- Ejection systolic murmur - URSE! - Carotid thrill in suprasternal region - Critical AS- severe heart failure
139
AORTIC STENOSIS Investigations, findings and management?
Radiograph- prominent LV ECG - Regular echos - balloon valvotomy/ dilation Valve replacement
140
PULMONARY STENOSIS What is it?
pulmonary valve leaflets partly fused together which restricts exit from the RV
141
PULMONARY STENOSIS Clinical features?
Systolic ejection murmur in ULSE right ventricular heave
142
PULMONARY STENOSIS Investigations and management?
- ECG- upright T wave/ RV hypertrophy CXR Transcathether balloon dilation
143
TRANSPOSITION OF THE GREAT ARTERIES What is the underpinning basic science?
1) Aorta connected to RV, pulmonary artery connected to LV (deoxygenated blood to body) 2) Incompatible with life (often have naturally occurring ASD,VSD, PDA)
144
TRANSPOSITION OF THE GREAT ARTERIES Clinical features?
- Cyanosis - S2 usually loud and singular - Reduced sats
145
TRANSPOSITION OF THE GREAT ARTERIES Investigation?
Check for 22q deletion CXR- narrow upper mediastinum 'egg on side' appearance of cardiac shadow Echo- abnormal arterial connections
146
TRANSPOSITION OF THE GREAT ARTERIES Management?
Maintaining patency of ductus arteriosus is key- prostaglandin infusion Balloon atrial septostomy Surgery- arterial switch procedure in first few days of life
147
TETRALOGY OF FALLOT What are the 4 clinical features?
- Large VSD - Overriding aorta - Sub pulmonary stenosis - RVH
148
TETRALOGY OF FALLOT Signs and symptoms
- Cyanotic - Breathlessness - Easy tiring - Low sats Associated with Down's and 22q deletions
149
TETRALOGY OF FALLOT Investigations?
echo CXR- small, up tilted, boot shaped apex Harsh systolic murmur in LLSE
150
TETRALOGY OF FALLOT Management?
Close VSD and relieve right ventricular outflow tract obstruction - Shunt to increase pulmonary blood flow
151
What is Ebstein's Anomaly
Posterior leaflets of tricuspid valve displaced anteriorly
152
Cause of Ebsteins Anomaly?
Lithium in pregnancy (.eg.g bipolar mum)
153
What heart problems can develop due to Ebstein's Anomaly
Tricuspid regurg Tricuspid Stenosis RA enlargement
154
Murmur heard in tricuspid regurg?
Pan-systolic
155
Murmur heard in tricuspid stenosis?
Mid-diastolic
156
KAWASAKI'S DISEASE What is it?
Idiopathic systemic vasculitis that most commonly effects children 6 months- 5 years
157
KAWASAKI'S DISEASE Major complication?
Coronary artery aneurysm formation
158
KAWASAKI'S DISEASE Clinical presentation?
MyHEART Mucosal Involvement:-inflamed dry lips/ strawberry tongue Hand and feet swelling Eyes- bilateral conjunctivitis lymphAdenopathy (cervical) Rash Temperature- >5 days of fever
159
KAWASAKI'S DISEASE 3 Phases?
``` Acute febrile (1-2 weeks) Fever + 4 of criteria (MyHEART) ``` Subacute- remission of fever (4-6 weeks) development of coronary artery aneurysms Convalescent (6-12 weeks) resolution of clinical signs + normalisation of inflammatory markers
160
KAWASAKI'S DISEASE Ddx?
- Measles - Rubella - Parvovirus B19 infx - Infectious Mononucleosis / Glandular Fever - Scarlet fever
161
KAWASAKI'S DISEASE Investigations?
``` Increased: ESR&CRP WCC Platelets AST a1-antitrypsin bilirubin ``` Echo is essential as it can reveal dilation and aneurysms of coronary arteries
162
KAWASAKI'S DISEASE Treatment?
- Aspirin - IV Immunoglobulins (reduce the risk of aneurysms and thrombosis) Echo 6 weeks later to check for aneurysms
163
KAWASAKI'S DISEASE Tx for permanent inflammation?
Infliximab (anti-TNF)
164
HENOCH-SCHONLEIN PURPURA What is it?
HSP is an IgA mediated, autoimmune hypersensitivity vasculitis of childhood (Skin, joint, gut, kidneys)
165
HENOCH-SCHONLEIN PURPURA Risk factors?
Infections ( group A strep, mycoplasma, EBV) Vaccinations Exposure to allergens, cold, pesticides insect bite
166
HENOCH-SCHONLEIN PURPURA Clinical presentation?
- Fever - Rash - Abdo pain/symptoms - Renal involvement - Arthritis
167
HENOCH-SCHONLEIN PURPURA Diagnostic tests?
urinanalysis- protein/ haematuria Raised ESR raised serum IgA Raised WCC Anti-streptolysin O titrates increased (36%)- detect group A strep
168
HENOCH-SCHONLEIN PURPURA Treatment?
NSAIDs for joint pain Corticosteroids for arthralgia Most recover in 2 months
169
INFECTIVE ENDOCARDITIS risk factors?
IV drug users prosthetics structural heart defects
170
INFECTIVE ENDOCARDITIS What is it?
Infection of valves/ endocardium, causing destruction due to infective organisms forming vegetation.
171
INFECTIVE ENDOCARDITIS Symptoms?
- Fever - Weight loss - Night sweats - Anaemia
172
INFECTIVE ENDOCARDITIS Symptoms?
- Fever - Weight loss - Night sweats - Anaemia
173
HENOCH-SCHONLEIN PURPURA Complications?
massive GI bleeds ileus Haemoptysis (rare) AKI (rare)
174
HENOCH-SCHONLEIN PURPURA Classic Triad?
1) Purpura (purple spots/nodules not dissapearing on palpation) 2) Arthritis/ arthralgia (74%) 3) Abdominal pain (51%)
175
HENOCH-SCHONLEIN PURPURA worries if purpura is non blanching?
Meningococcal disease
176
HENOCH-SCHONLEIN PURPURA worries if purpura is non blanching?
Meningococcal disease
177
RHEUMATIC FEVER What is it?
x
178
RHEUMATIC FEVER What is it?
Systemic febrile ilness- reaction to group A B-haemolytic strep + Pharyngitis
179
RHEUMATIC FEVER What is the Jones diagnostic criteria?
1/2 major + 2 minor plus evidence of preceding strep infection (scarlet fever/ throat swab/ high serum ASO titre)
180
RHEUMATIC FEVER Major signs?
- Carditis(+ve echo, changed murmur, CCF, cardiomegaly) - Polyarthritis - Erythema marginatum - Subcutaneous nodules - Sydenham's chorea- neurological manifestation
181
RHEUMATIC FEVER Minor signs?
- Fever - ^ ESR/ CRP - Arthralgia pain - ECG PR interval <0.2s - Previous rheumatic fever/ rheumatic heat disease
182
RHEUMATIC FEVER Treatment?
Aspirin- careful of Reye's Benzylpenicillin then Phenoxymethylpenicillin for Pharyngitis (sore throat) Prednisolone may help
183
RHEUMATIC FEVER What is given for Synderham's Chorea?
Prednisolone consider haloperidol, carbemazepine, valproic acid
184
What is Haloperidol?
Anti-psychotic- used to treat psychotic disorders like Schizophrenia, Tourettes, severe behavioural problems in children
185
CHICKEN POX What is it?
Highly infectious disease caused by varicella zoster virus (VZV)
186
CHICKEN POX What does reactivation of VZV lead to?
Reactivation of dormant virus after a bout of chicken pox leads to herpes zoster (shingles) in posterior root ganglia
187
CHICKEN POX Risk factors?
- Immunocompromised - Older age - Steroid use - Malignancy - Dangerous in neonates and to the foetus if contracted in pregnancy
188
CHICKEN POX How long are you infectious for?
Infective from 4 days prior to rash until all lesions have scabbed. (day 5)
189
CHICKEN POX Clinical presentation?
- temp 38-39 - Headache, malaise - Crops of vesicles (itchy)
190
CHICKEN POX Where are the vesicles normally found?
Mostly on the head, neck and trunk, very sparse on the limbs
191
CHICKEN POX Cycle of a vesicle?
1) Macule 2) Papule 3) Vesicle (red surround) 4) Ulcers 5) Crust
192
CHICKEN POX What does redness around the lesion suggest?
Bacterial superinfection
193
CHICKEN POX Ddx?
Shingles- only one dermatome (patient with vesicles at different stages of evolution in a one dermatome distribution) - Generalised herpes zoster/ simplex - Dermatitis herpetiformis - Impetigo
194
CHICKEN POX Diagnostic tests?
Clinical | - Fluorescent antibody tests- test for IgM and IgG
195
CHICKEN POX Complications?
Secondary bacterial infection of lesions Pneumonia Encephalitis Disseminated haemorrhage chickenpox Arthritis, nephritis, pancreatitis
196
CHICKEN POX Treatment?
Calamine lotion Antivaricella- zoister immunoglobulin & Acyclovir (if severe) / at risk Flucloxacillin in bacterial superinfection - 5 days off school for kids
197
CHICKEN POX Treatment?
Calamine lotion Antivaricella- zoister immunoglobulin & Acyclovir (if severe) / at risk Flucloxacillin in bacterial superinfection - 5 days off school for kids
198
MEASLES How is it transmitted?
Respiratory droplets incubation 7-12 days
199
MEASLES What is it?
Acute viral infection caused by single stranded RNA morbillivirus from the paramyxovirus family
200
MEASLES How long are you infectious for?
From prodrome until 4 days after the rash of measles appear
201
MEASLES What is it?
NOTIFIABLE DISEASE Acute viral infection caused by single stranded RNA morbillivirus from the paramyxovirus family
202
MEASLES How long are you infectious for?
From prodrome until 4 days after the rash of measles appear
203
MEASLES Cause?
RNA Morbillivirus from the paramyxovirus
204
MEASLES Clinical presentation?
- Rash for at least 3 days Fever for at least one day (often >40) and at least one of: Cough Coryza Conjunctivitis
205
MEASLES What is the prodrome made up of?
3-5 days of the 4 C's - Cough - Coryza - Conjunctivitis - Cranky + koplik's spots on palate - small, red spots each with a bluish- white speck in the centre
206
MEASLES Describe the measles rash
First seen on forehead, neck and behind the ears and spreads to limb/trnk over 3-4 days Fades after 3-4 days Leaves behind brown discolouration
207
MEASLES Ddx?
Rubella Parvovirus B19 Enterovirus - Scarlet fever
208
MEASLES Diagnostic tests?
Lab diagnosis: IgM & IgG positive Salivary swab or serum sample for measles specific immunoglobulin taken within 6 weeks of onset RNA detection in salivary swabs
209
MEASLES Treatment?
Paracetamol/ Ibuprofen + fluids
210
MEASLES Complications?
more common if <5 years or >20 years - Otitis media - Croup/ tracheitis - Pneumonia - Encephalitis
211
MEASLES Complication of vitamin A deficiency?
Blindness
212
MEASLES What is the most common cause of death in measles?
Pneumonia
213
MEASLES What may be a complication in older patients?
Encephalitis Pneumonia
214
What is subacute sclerosing panencephalitis?
7-13 years post measles: chronic complication Progressive changes in behaviour, myoclonus, dystonia, dementia > death
215
MEASLES Risks in pregnancy?
Increased risk of miscarriage, prematurity and low birthweight
216
SCARLET FEVER What is it?
NOTIFIABLE DISEASE - Endotoxin mediated disease arising from a specific bacterial infection by an erythrogenic toxin- producing strain of: strep. pyogenes- Group A haemolytic streptococci
217
SCARLET FEVER Epidemiology?
87% under 10 years old Unusual under 2 years
218
SCARLET FEVER Clinical presentation?
- Acute onset sore throat and fever then rash 24-48 hours after - Strawberry tongue - Scarletiniform rash: Typically appears first on chest, axilla, behind ears then trunk and legs after Around mouth (circumoral)
219
SCARLET FEVER Describe the rash?
Red, 'pin prick' blanching rash | sandpaper/ rough- like
220
SCARLET FEVER Describe the prodrome?
- Sore throat + Tonsillitis - Fever - Headache - Vomiting and abdo pain - Myalgia
221
SCARLET FEVER Complications?
- Syndenhams Chorea - Otitis media - Rheumatic fever - Glomerulonephritis
222
SCARLET FEVER Ddx?
other viral exanthema - Infectious mononucleosis (cause EBV) - Toxic shock syndrome - Kawasaki's
223
SCARLET FEVER Diagnosis?
Clinical Throat swab Antigen detection kits - Strep antibody tests
224
SCARLET FEVER Treatment?
Penicillin/ Azithromycin for 10 days Rest, fluids, para/ ibuprofen
225
RUBELLA What is it? Causative organism?
NOTIFIABLE DISEASE An RNA virus (Rubivirus Togaviridae), transmitted as droplets, with an incubation period of 14-21 days
226
RUBELLA How long are you infectious for?
Infectious for up to 5 days before and 5 days after start of rash
227
RUBELLA Describe the prodrome?
- Lethargy - Low grade fever - Headache - Mild conjunctivitis - Anorexia
228
RUBELLA Describe the rash?
Initially pink discrete macular rash that coalesce starting behind the ear and face, spreading the entire body - Suboccipital lymphadenopathy
229
RUBELLA Ddx?
- Contact dermatitis - Erythema multiforme/drug allergy - Measles - Scarlet fever - Kawasaki disease
230
RUBELLA Diagnostic tests?
PCR testing FBC shows low WBC with increased proportion of lymphocytes and thrombocytopenia
231
RUBELLA Treatment?
Vaccine | Antipyretics for fever
232
RUBELLA What can infections during fetal development cause?
wks 1-4 = eye anomaly (70%) wks 4-8 = cardiac abnormalities (40%) wks 8-12 = deafness (30%)
233
SLAPPED CHEEK SYNDROME (Erythrovirus) What is it?
Parvovirus B19 transmitted through droplets
234
SLAPPED CHEEK SYNDROME (Erythrovirus) Prodrome symptoms?
(around 1 week) - Mild - Headache, rhinitis, sore throat, fever, malaise THEN- 1 week of symptom free
235
SLAPPED CHEEK SYNDROME (Erythrovirus) What happens after the 7-10 days of no symptoms after the prodrome?
Classic 'slapped cheek' rash 1-4 days after the facial rash, erythematous macular morbilliform rash develops on the limbs - Arthralgia
236
SLAPPED CHEEK SYNDROME (Erythrovirus) Ddx?
Rubella Measles Scarlet fever EBV
237
SLAPPED CHEEK SYNDROME (Erythrovirus) Diagnostic tests?
B19 specific IgM indicates current or recent infection B19 specific IgG indicates immunity PCR
238
cause of Impetigo?
staph aureus +/- strep pyogenes
239
What does Impetigo look like?
Well defined lesions starting around nose and face with honey/golden coloured crusts on erythematous base
240
Treatment to Impetigo?
Topical fusidic acid or oral flucloxacillin if severe
241
MENINGITIS What is it?
When Micro-organisms reach the meninges by direct extension or by the bloodstream
242
MENINGITIS Bacterial cause?
- Neisseria meningitidis - Strep pnuemoniae - Haemophilus influenza GREAT KILLERS = give benzylpenicillin immediately
243
MENINGITIS Viral cause?
``` Enterovirus Mumps HSV HIV EBV ```
244
MENINGITIS Fungal cause?
Cryptococcus neoformans Candida albicans
245
MENINGITIS Risk factors?
- Immunocompromised - Endocarditis - DM - Alcoholism and cirrhosis - IV drug abuse - Renal/adrenal insufficiency - Malignancy - SIckle cell disease CROWDING
246
MENINGITIS Pathophysiology? Bacterial? Viral?
BACTERIAL: 1) The pia-arachnoid is congested with polymorphs causing a layer of pus to form VIRAL: 1) Lymphocytic inflammatory CSF without pus formation 2) No polymorphs/ adhesions 3) Little or no cerebral oedema unless encephalitis develops
247
MENINGITIS Epidemilogy?
Common in infants, children or elderly Viral meningitis> Bacterial 3,200 cases of bacterial per year
248
MENINGITIS Septic signs? (often before meningeal signs)
- Malaise, fever, headache, temperature, rigor, vomiting - ^ HR/RR, reduced BP - Poor feeding - Abnormal cry - PETECHIAL PURPURIC RASH (NON-BLANCHING)- dont expect this
249
MENINGITIS Meningeal signs? (comparatively late, less common in young children)
Neck stiffness Photophobia Bulging fontanelle +ve Kernigs (resistance to extending knee when hip is flexed) +ve Brudzinki's (neck flexion = hip flexion)
250
MENINGITIS Ddx?
- Subarachnoid haemorrhage - Migraine - Intracranial mass lesion
251
MENINGITIS Diagnostic tests?
- Lactate - FBC - Glucose - U&Es - Blood cultures - Throat swabs - Immediate lumbar puncture
252
MENINGITIS Treatment?
Immediate IV Abx and blood/CSF cultures! (Cefotaxime) High flow O2
253
MENINGITIS Treatment?
Immediate IV Abx and blood/CSF cultures! (Cefotaxime) High flow O2 Fluids if in shock
254
MENINGITIS If this is suspected what must be given immediately to: <3 months old? >3 months old - 18years? In GP before hospital?
<3 months= Cefotaxime + Amoxicillin >3 months= Ceftriaxone + Dexamethasone In GP = Benzylpenicillin (Cefotaxime if allergic)
255
COXSACKIE'S DISEASE (HAND FOOT AND MOUTH) What is it?
Viral illness commonly causing lesions involving mouth hands and feet; Transmitted by faecal-oral route
256
MENINGITIS If this is suspected what must be given immediately to: <3 months old? >3 months old - 18years? In GP before hospital?
<3 months= Cefotaxime + Amoxicillin >3 months= Ceftriaxone + Dexamethasone In GP = Benzylpenicillin (Cefotaxime if allergic)
257
COXSACKIE'S DISEASE (HAND FOOT AND MOUTH) Aetiology?
Coxsackievirus A16 Enterovirus 71
258
COXSACKIE'S DISEASE (HAND FOOT AND MOUTH) Epidemiology?
Common among infants younger than 10 outbreaks common in nurseries, schools and childcare centres
259
COXSACKIE'S DISEASE (HAND FOOT AND MOUTH) Epidemiology?
Common among infants younger than 10 outbreaks common in nurseries, schools and childcare centres
260
COXSACKIE'S DISEASE (HAND FOOT AND MOUTH) Prodrome?
- Fever - Malaise - Loss of appetite - Sore mouth/throat - Cough - Abdo pain
261
COXSACKIE'S DISEASE (HAND FOOT AND MOUTH) Describe the mouth lesions?
On buccal mucosa, tongue or hard palate Begin as macular lesions that progress to vesicles which then erode YELLOW ULCERS SURROUNDED BY RED HALOES
262
COXSACKIE'S DISEASE (HAND FOOT AND MOUTH) Describe the skin lesions?
Palms, soles and between fingers/ toes Erythematous macules but rapidly progress to grey vesicles with an erythematous base Can also appear on trunk, thighs, buttocks, genitalia
263
COXSACKIE'S DISEASE (HAND FOOT AND MOUTH) Ddx?
Herpes simplex/ zoster virus Chicken pox kawasakis disease
264
COXSACKIE'S DISEASE (HAND FOOT AND MOUTH) Diagnostic tests?
Clinical diagnosis swab of lesions PCR
265
COXSACKIE'S DISEASE (HAND FOOT AND MOUTH) Treatment?
Fluid intake Soft diet Para/ Ibuprofen If mouth is very painful, use topical agents e,g, lidocaine oral gel Stay off school until better
266
ENCEPHALITIS Infective Causes?
- HSV - Mumps - Varicella zoster - Rabies - Parvovirus - Immunocompromised - Influenza - TB - Toxoplasmosis - Malaria
267
ENCEPHALITIS Clinical signs?
- Flu like prodrome - Reduced consciousness - Odd behaviour - vomiting - Fits/ seizures - Raised temp
268
ENCEPHALITIS Ix?
- CSF, MC&S, PCR - Bloods - Stool (enteroviruses) - Urine
269
ENCEPHALITIS Management?
HSE- Herpes simplex encephalitis= most treatable = Acyclovir
270
TUBERCULOSIS When should you suspect?
IF: Overseas contact HIV +ve Odd CXR
271
TUBERCULOSIS Clinical signs
``` Anorexia Low fever failure to thrive cough malaise ```
272
TUBERCULOSIS Diagnosis?
Tuberculin tests Interferon gamma release assays/ Mantoux Sputum culture + ziehl-neelson stain x3 CXR- consolidation, military spots (fine white dots on CXR- rare)
273
TUBERCULOSIS Management?
Expert help; Isoniazid (6 months) Rifampicin (6 months) Pyrazinamide (2 months) Ethambutol (2 months)
274
TUBERCULOSIS Tests?
Zeihl-Neeson Test with a Lowenstein Jenson culture medium Mantoux test Interferon gamma testing
275
TUBERCULOSIS Complications?
1) Pleural effusion 2) Pericardial effusion 3) Lung collapse 4) Lung consolidation (becomes solid)
276
TUBERCULOSIS Side effects of Isoniazid? Rifampicin?
Isoniazid: neuropathy, low WCC, inhibits CYP450 Rifampicin: pink urine, low platelets, induces CYP450, Flu symptoms
277
TUBERCULOSIS Side effects of Pyrazinamide? Ethambutol?
Pyrazinamide: Rash/ arthralgia Ethambutol: Optic Neuritis
278
TUBERCULOSIS Tx of latent TB?
Isoniazid for 6 months
279
HIV When should this be diagnosed in childhood?
AIM: Before 1st birthday tests at 3&6 months: HIV viral PCR p24 antigen Specific IgA - Monitor CD4 count
280
HIV When should you consider HIV in children?
- Unknown pyrexia (PUO) - Parotid enlargement - Lymphadenopathy - Hepatosplenomegaly - Slow to clear infections - Persistent diarrhoea - Shingles - Reduced platelets - with TB/ pneumocytosis
281
HIV When should HAART begin
Those with AIDs defining conditions / CD4 <15%
282
TOXIC SHOCK SYNDROME Characteristics?
- Fever >39 degrees - Hypotension - Diffuse erythematous, macular rash
283
TOXIC SHOCK SYNDROME How is the toxin produced?
by s.aureus + group A strep Toxin acts as a super antigen that can cause organ dysfunction, it can be released from infection at any site
284
TOXIC SHOCK SYNDROME Management?
Intensive care Infection areas- surgically debrided Abx- Ceftriaxone + Clindamycin
285
BIRTH MARKS AND RASHES What are strawberry marks?
Cavernous haemangioma normally self limiting but beware over eye and in airway
286
BIRTH MARKS AND RASHES What is a Port Wine Stain?
permanent capillary haemangioma seen in Sturge-Weber Syndrome
287
BIRTH MARKS AND RASHES What syndrome are moles common in? (Naevi)
Turner's
288
BIRTH MARKS AND RASHES What are mongolian blue spots?
non- caucasian ancestry Congential dermal melanocytosis Commonly seen on lower back/ buttocks
289
BIRTH MARKS AND RASHES What are cafe au lait spots?
flat light brown patches on the skin. Over 5 = Neurofibromatosis
290
BIRTH MARKS AND RASHES What are Milia (milk spots)?
sebaceous plugs from sweat glands
291
BIRTH MARKS AND RASHES What are infantile urticaria?
erythema toxicum neonatorum- Histamine reaction Harmless red blotches- come and go in crops
292
Key points to remember in chickenpox?
beware in immunocompromised
293
Key points to remember in Measles?
Prodromal CCCK - Cough - Coryza - Conjunctivitis - Koplik spots (inside mouth)
294
Key points to remember in Parvovirus?
slapped cheek
295
Key points to remember in Coxsackie?
Hand, foot and mouth
296
Key points to remember in Mumps?
prodromal malaise Parotids can cause orchitis and infertility
297
What is Molluscum contagiosum?
pox like nodules that last for months, generally in axilla
298
What do you call a rash that accompanies a disease/ fever?
Exanthema
299
What rash is diabetes associated with
Acanthosis nigricans
300
Cause of Toxoplasmosis?
Infected cat faeces- - Microcephaly - Fits - Sensorineural deafness
301
What infections are associated with Cat/Dog faeces?
Cat- Toxoplasmosis (fits, deafness) Dog- Toxocara (acquired blindness)
302
What is Toxocara?
Infected associated with eating dog faeces
303
What is Urticaria?
'nettle-like' rashes, raised and itchy patches allergen exposure, linked to child abuse if late presentation, symmetry, odd history
304
TORCH What is a TORCH infection and what does it stand for?
Infection to the developing foetus/ newborn by any of: ``` Toxoplasmosis Other agents Rubella (german measles) Cytomegalovirus Herpes simplex ```
305
TORCH Signs of CMV?
- Growth retardation - Microcephaly - Hepatosplenomegaly - Hepatitis - Anemia/jaundice/ thrombocytopenia
306
TORCH What is the most common congenital infection in the U.K?
Cytomegalovirus CMV
307
TORCH Signs of Rubella?
Sensorineural deafness congenital cataracts + glaucoma heart disease (PDA)
308
TORCH Signs of Toxoplasmosis?
- Cerebral calcification - Microcephaly/ hydrocephalus - Chorioretinitis - Cerebral palsy
309
How is Toxoplasmosis diagnosed, what is the cause and what is the treatment?
Diagnosed by serology >95% asymptomatic Caused by raw meat/ cat faeces Tx= Pyrimethamine + Sulphadiazine + Spiramycin
310
TORCH GIve examples of 'other' infections?
- Syphillis - Varicella- zoster - Parvovirus B19
311
TORCH Treatment of Syphillis? Treatment of Herpes Simplex?
Benzylpenicillin Acyclovir
312
TORCH Signs of Herpes Simplex?
``` Blindness Low IQ epilepsy Jaundice Resp distress 30% die even when treated ```
313
ECZEMA How common is it?
15-20% of children and is becoming more common
314
What is Eczema Herpeticum?
Severe infection of skin (HSV 1+2) more commonly seen in kids with eczema, potentially life threatening = treat with Acyclovir
315
Causative drugs of Stevens- Johnson Syndrome? Presentation?
- Sulfonamides - Anti- epileptics - Penicillin - NSAIDs Painful erythematous macules, severe mucosal ulceration
316
ANAPHYLAXIS What is it and how is it diagnosed?
severe life threatening hypersensitivity reaction of sudden onset ABC
317
ANAPHYLAXIS What may bring on the IgE mediated reaction?
``` foods insect sting drugs latex exercise inhaled allergens ```
318
ANAPHYLAXIS Cause of fatal anaphylaxis' in adults?
Mainly nuts
319
ANAPHYLAXIS Management?
ABCDE ``` IM Adrenaline Under 6 months: 0.01mg 6 months to 6 years: 0.15mg 6-12 years: 0.3mg Over 12 years: 0.5mg ``` Antihistamine Hydrocortisone Salbutamol if wheeze high flow O2 IV fluids Monitor pulse oximetry, ECG, BP
320
What is classed as low birth weight? Extremely low? Incredibly low?
<1500g <1000g <750g ensure adequate resus once born
321
FAILURE TO THRIVE Definition?
Failure to gain adequate weight or achieve adequate growth at the normal rate for age
322
What is the key determinant in questioning health of child?
Growth
323
FAILURE TO THRIVE Most common cause?
Inadequate calorie intake: Poor breastfeed technique Poverty Unsuitable food offered Neglect
324
CHILDHOOD DEVELOPMENT 4 Domains of development?
- Gross motor - Fine motor and vision - Language and hearing - Social
325
CHILDHOOD DEVELOPMENT What is developmental surveillance?
Ongoing process of following child over time- can be incorporated into well-child checks, general physical examination, routine immunisation visits
326
CHILDHOOD DEVELOPMENT Definition of Dev Delay? Definition of Dev Disorder?
Dev. Delay- along normal route but takes longer to reach milestones Dev. Disorder- does not follow normal pattern, impairment
327
CHILDHOOD DEVELOPMENT Risk factors?
Biological: - Prematurity - Low birth weight - birth asphyxia - hearing/vision impairment Environmental: - poverty - poor parental education - maternal alcohol/drugs
328
CHILDHOOD DEVELOPMENT What is the 'stepping' reflex and when should it be seen?
1) hold baby upright with one sole on table top 2) Hip and knee will flex and other foot step forward (birth - variable [6 weeks])
329
CHILDHOOD DEVELOPMENT What are the 'Palmar' and 'plantar' grasp reflexes and when should it be seen?
touch hand/ soles and baby will grasp / curl toes palmar = until 6 months plantar = until 9-12 months
330
CHILDHOOD DEVELOPMENT What is the 'moro' reflex and when should it be seen?
1) hold baby supine and abruptly lower the body about 2 feet. 2) Arms will abduct/extend and legs flex (until 2 months)
331
CHILDHOOD DEVELOPMENT What is the 'tonic neck' reflex and when should it be seen?
1) baby supine, turn head to one side and hold jaw on shoulder 2) Arms/ legs the heads turned to will extend and opposite will flex (until 6 months)
332
CHILDHOOD DEVELOPMENT What is the 'sucking and rooting' reflex and when should it be seen?
1) stroke perioral skin at corner of the mouth 2) mouth will open and baby will turn head toward stimulus and suck (until 4 months)
333
Name the primitive reflexes
Atonic neck reflex Moro reflex Landau reflex Plantar grasp reflex Palmar grasp reflex Parachute reflex Positive support reflex Rooting reflex Stepping reflex Trunk incurvation A M L PPPP R S T
334
CHILDHOOD DEVELOPMENT What is the 'trunk incurvation'/ Galant's reflex and when should it be seen?
1) support baby prone and stroke one side of the back 2) spine will curve towards stimulated side (0-2 months)
335
CHILDHOOD DEVELOPMENT What is the 'Landau' reflex and when should it be seen?
1) suspend baby prone 2) head will lift up and the spine will straighten (0-6 months)
336
CHILDHOOD DEVELOPMENT What is the 'Parachute' reflex and when should it be seen?
1) suspend baby prone and slowly lower the head towards a surface 2) arms and legs will extend in a protective fashion (8 months onwards)
337
CHILDHOOD DEVELOPMENT What is the 'Positive support' reflex and when should it be seen?
1) hold baby upright until feet touch a surface 2) hips, knees and ankles will extend and partially bear weight for 20/30 seconds (0-6 months)
338
What are the postural reflexes?
- Parachute - Positive support - Landau - Neck/ head righting reflexes - Lateral propping
339
What does persistence of primitive reflexes and lack of development of postural reflexes show?
Hallmark of motor neuron abnormality in the infant
340
Definition of childhood disability and 2 examples?
Physical or mental impairment preventing them going about their daily life 1) Down's 2) Cerebral Palsy
341
CEREBRAL PALSY What is it?
Chronic disorder of movement and posture attributed to non-progressive disturbances that occurred in the fetal brain.
342
CEREBRAL PALSY other problems as well as movement/posture?
- Cognition - Communication - Perception - Sensation - Behaviour - Seizures
343
CEREBRAL PALSY Antenatal causes?
80% antenatal e.g vascular occlusion/ congenital infection (CMV, toxo, rubella) 10% birth asphyxia/trauma
344
CEREBRAL PALSY Postnatal causes?
- Meningitis/ encephalitis/ encephalopathy - Head trauma - Intraventricular haemorrhage
345
CEREBRAL PALSY Clinical presentation? (motor)
- Abnormal limb/trunk posture and tone - Delayed motor milestones - Abnormal gait
346
CEREBRAL PALSY Clinical presentation? (non-motor)
- feeding difficulties - learning difficulties - epilepsy - language/speech difficulties - persistent primitive reflexes
347
CEREBRAL PALSY How is functional ability described/assessed?
Gross Motor Function Classification System (GMFCS)
348
CEREBRAL PALSY What are the 5 levels of the GMFCS?
Level 1- walks without limitation Level 2- walks with limitations Level 3- walks using handheld mobility device Level 4- self mobility with limitations may use powered mobility Level 5- manual wheelchair transportation
349
CEREBRAL PALSY Diagnosis?
Made on clinical presentation MRI can identify cause but not routinely used for diagnosis
350
CEREBRAL PALSY What are the 4 clinical subtypes?
- Spastic - Dyskinetic - Ataxic - Mixed
351
CEREBRAL PALSY Describe Spastic (90%)
- Damage to UMN pathway - Limb tone persistently increased (spastic) - Brisk deep tendon reflexes - Clasp knife reflexes
352
CEREBRAL PALSY Types of spastic?
Hemiplegia Diplegia Quadriplegia
353
CEREBRAL PALSY What is quadriplegia associated with?
- Seizures - Low IQ - Swallowing difficulties
354
CEREBRAL PALSY Decribe Dyskinetic
- Movements of involuntary control - Muscle tone variable Chorea Athetosis Dystonia
355
what is Chorea?
Jerky movements
356
what is Athetosis?
slow writhing movements distally eg fanning fingers
357
what is Dystonia?
twisting appearance from simultaneous contraction of agonist and antagonist muscle groups
358
CEREBRAL PALSY What damage is associated with Ataxic CP
cerebellum damage
359
CEREBRAL PALSY What damage is associated with Dyskinetic CP
basal ganglia damage
360
CEREBRAL PALSY Describe Ataxic
- poor balance - delayed motor development - can be hypo/ hypertonia - uncoordinated , intention tremor and ataxic gait (evident later on)
361
What is Ataxia?
Lack of voluntary co-ordination of muscle movements that can include ataxic gait, speech and abnormal eye movements
362
CEREBRAL PALSY Tx for spasticity?
Oral Diazepam Baclofen Botulinum toxin (botox) for relaxing muscles
363
CEREBRAL PALSY Professionals involved?
- Physiotherapist - Speech Therapist - Occupational Therapist - Orthoptist/ Audiologist - Dietitian - Social worker
364
DOWN'S SYNDROME What is it?
Trisomy 21 Cognitive impairment can be variable
365
DOWN'S SYNDROME Risk factors?
Family Hx Old maternal age .40 increases risk of non-dysjunction
366
DOWN'S SYNDROME Clinical presentation? Cardio GI Eyes Ears
Cardio Disorders (VSDs, Tetralogy of Fallot) 90% have hearing loss (sensorineural&conductive) Eyes - Brushfield spots, cataracts, nystagmus, stabismus GI- Atresias, Hirschsprungs, pyloric stenosis, Meckel's diverticulum
367
DOWN'S SYNDROME Facial features?
- Epicanthic folds - Protruding tongue - Small low set ears - Flat occiput + facial profile - High arched palate
368
DOWN'S SYNDROME Clinical features? Orthopaedic Endocrine Neuro Haemotological
Ortho- Hypotonia, short stature, single palmar crease, sandal gap deformity Endo- hypothyroid Neuro- learning difficulties, low IQ, Seizures, Dementia Haem- 12x greater risk of infections due to impaired cellular immunity, increased risk of AML, ALL Polycythaemia
369
EDWARD'S SYNDROME What is it?
Trisomy 18 80% female Severe psychomotor + growth retardation in those that survive 1st year of life
370
EDWARD'S SYNDROME Skeletal abnormalities?
Typical hand feature Radial/ Thumb aplasia Short sternum- nipples look widely spread Rocker bottom feet (flat) Microcephaly/ microstomia
371
EDWARD'S SYNDROME Craniofacial abnormalities?
- Odd low set ears - Micrognathia (small jaw) - Prominent occiput
372
EDWARD'S SYNDROME What is the typical hand posture?
Fingers cannot be extended: Index overriding middle finger 5th finger overriding 4th finger
373
PATAU'S SYNDROME What is it?
Severe physical and mental congenital abnormalities due to Trisomy 13
374
PATAU'S SYNDROME Clinical presentation?
Congenital heart defects IUGR and low BW polydactyly and rocker bottom feet Severe learning difficulties Cleft lip palate
375
PATAU'S SYNDROME What is Holoprosencephaly?
the brain doesnt divide into two halves
376
PATAU'S SYNDROME Facial features?
Cleft lip and palate Microphthalmia Hypotelorism (reduced distance between eyes)
377
PATAU'S SYNDROME Treatment?
Prognosis is BAD- average survival is 2.5 days. 50% live longer than one week 5-10% live longer than one year
378
Give examples of Genomic imprinting? | pair of genes come from one parent
Angelmans Prader Willi
379
Give an example of a Minosomy disorder?
Turner's syndrome
380
Give 5 examples of Trisomy disorders
Downs Edwards Pataus XXX syndrome Klinefelter's
381
Give examples of Autosomal Dominant conditions
Huntingtons Neurofibromatosis Hereditary spherocytosis Marfans
382
Give examples of Autosomal recessive conditions
CF Albinism PKU (phenylketouria)
383
Give examples of X linked inheritance conditions
Duchenne's muscular dystrophy Red-green colour blindness G6PD deficiency Haemophilia A/B
384
PRADER-WILLI SYNDROME What is it?
First human disorder attributed to genomic imprinting Characteristics Infant: Hypotonia and development delay Adolescence: Obesity, learning and behavioural difficulties (especially food)
385
PRADER-WILLI SYNDROME Cause?
Deletion in the paternally inherited chromosome 15 or maternal uniparental disomy 15 OPPOSITE TO ANGELMAN'S
386
PRADER-WILLI SYNDROME Clinical presentation? (Infant)
- Hypotonia at birth - Failure to thrive/ poor feeding - Genital hypoplasia - Delayed motor milestones USUALLY blue eyes blonde hair
387
PRADER-WILLI SYNDROME Clinical presentation? (Childhood)
- Hyperphagia (always hungry) Obesity (due to ^) Short stature Behavioural problems Low IQ
388
PRADER-WILLI SYNDROME Treatment?
Growth Hormone Anti-psychotics- Olanzapine, haloperidol Fluoxetine and SSRI's are sometimes efftective
389
ANGELMAN'S SYNDROME What is it?
Genetic imprinting disorder due to maternal deletion of chromosome 15 OPPOSITE OF PRADER WILLI
390
PRADER-WILLI SYNDROME Why do patients have hyperphagia?
Markedly elevated levels of ghrelin, hormone associated with hunger
391
ANGELMAN'S SYNDROME Clinical presentation?
developmental delay Motor milestones delayed Speech impairment behavioural signs Ataxia (broad based gait) Strabismus Drooling Fascination with water Epilepsy 90% Microcephaly
392
ANGELMAN'S SYNDROME behavioural signs?
- Short attention span - Laughter and happiness/ excited - Laughs at most stimuli - Hand flapping common - Tendency to pinch/grab/bite - Fascination with water
393
ANGELMAN'S SYNDROME Facial features?
``` Microcephaly flat occiput Prominent mandible wide mouth wide spaced teeth drooling/ tongue thrusting ```
394
ANGELMAN'S SYNDROME Diagnosis?
Chromosomal analysis v similar to autism Fluorescence in situ hybridisation (FISH) is able to detect 80-85% of all deletions.
395
ANGELMAN'S SYNDROME Treatment?
Behavioural modification programmes speech therapy physio therapy Parental education Anti-convulsants for Epilepsy- valproate/ clonazepam
396
TURNER'S SYNDROME What is it?
Loss or abnormality of the second X chromosome almost all affected infertile and many girls experience only short stature and ovarian failure
397
TURNER'S SYNDROME What is there increased risk of?
Increased risk of CHD Renal malformations Hearing loss osteoporosis Obesity Diabetes Atherogenic lipid profile
398
TURNER'S SYNDROME Clinical presentation of a Newborn?
Lymphoedema - Cardiac/renal abnormalities (coarctation, asbence of kidney)
399
TURNER'S SYNDROME Clinical presentation of an infant?
- Short stature - Webbed neck - Broad chest/ widely spaced nipples - Bicuspid aortic valve (15%) - Coarctation of the aorta (10%) - high arched palate - Behavioural problems - Recurrent otitis media/ hearing loss
400
TURNER'S SYNDROME Clinical presentation of adolescence?
Gonodal dysgenisis: Absent/incomplete puberty Amenorrhoea Impaired growth
401
NOONAN'S SYNDROME What is it?
Autosomal dominant condition characterised by: - CHD, short stature, broad/webbed neck, sternal deformity, developmental delay, cryptochidism (1 testes drops) increased bleeding tendency characteristic facial features.
402
TURNER'S SYNDROME Associated with what?
Autoimmune conditions: Thyroid Diabetes Coeliac Crohn's
403
TURNER'S SYNDROME Diagnostic tests?
- Can be diagnosed by amniocentesis or chorionic villous sampling - Chromosomal analysis
404
TURNER'S SYNDROME Treatment?
treat complications and monitor autoimmune associations SHORT STATURE: recombinant human growth hormone Oestrogen (12 years) to initiate puberty and prevent osteoporosis
405
NOONAN'S SYNDROME Cause?
Caused by mutations in the RAS/ MAPK pathway
406
NOONAN'S SYNDROME Epidemiology?
Autosomal dominant 60% are new spontaneous mutations
407
NOONAN'S SYNDROME Facial appearance?
wide, tall forehead Hypertelorism Ptosis/ down slanting eyes Low set ears
408
NOONAN'S SYNDROME MSK presentation?
short webbed neck broad chest with widely spaced nipples Pectus carinatum superiorly Pectus excavatum inferiorly short fingers and short stature
409
NOONAN'S SYNDROME Appearance in general?
striking blue/green irises curly or wooly hair
410
NOONAN'S SYNDROME neuro/ haem/ cardiac/ feeding problems?
feeding and growth problems Neuro: Learning disaility/ developmental delay bleeding disorders with easy bruising/ bleeding Cardiac: Pulmonary stenosis/ hypertrophic cardiomyopathy
411
NEUROFIBROMATOSIS What is it?
Autosomal dominant disorder that encompass the rare diseases NF1, NF2 and Schwannomatosis
412
NEUROFIBROMATOSIS What is NF1?
More common and caused by a defect to the NF1 gene- Skin lesions
413
NEUROFIBROMATOSIS What is NF2?
Central form with CNS tumours rather than skin lesisons. Inherited schwannomas, typically bilaterally, also meningiomas and ependymonas
414
NEUROFIBROMATOSIS What is Schwannomatosis?
recently recognised form, characterised by multiple non cutaneous schwannomas which is a histologically benign nerve sheath tumour
415
NEUROFIBROMATOSIS Epidemiology?
50% have no family Hx
416
NEUROFIBROMATOSIS Clinical presentation of NF1?
Cafe-au-lait spots Freckling in skin folds Neurofibromas Lisch nodules Short stature and macrocephaly
417
NEUROFIBROMATOSIS Complications of NF1?
Mild learning difficulties Nerve root compression from neurofibromas Increased risk of malignancy e.g. optic glioma
418
NEUROFIBROMATOSIS Presentation of NF2?
45% have hearing problems Schwannomas bilaterally, especially vestibular nerve (cranial/spinal) Meningiomas/ ependymomas presents generally in 20s
419
NEUROFIBROMATOSIS Difference between NF1&NF2?
Rarely more than 6 cafe-au-lait spots in NF2, not as many as NF1.
420
NEUROFIBROMATOSIS diagnostic criteria? (NF1)
2 OR MORE OF: 1) 6+ cafe au lait spots (>5mm kids, >15mm older) 2) 2 or more neurofibromas 3) Freckling (skin folds) 4) Optic glioma 5) Lisch nodules (clumps of pigment in eyes) 6) Bone abnormalities ( sphenoid dysplasia- absence of bone around eyes) 7) Parent/sibling/child with NF1
421
NEUROFIBROMATOSIS Treatment?
Intervene appropriately where tumours produce pressure symptoms or suggestive of malignant change Possible surgery
422
FRAGILE X SYNDROME (MARTIN-BELL) Cause?
FMR1 gene includes a CCG repeat. As its passed from each generation it lengthens. Once it reaches >200 no fragile X protein is made. TRINUCLEOTIDE REPEAT DISORDER
423
FRAGILE X SYNDROME (MARTIN-BELL) Clinical Signs?
Delayed speech + language Delayed motor milestones secondary to hypotonia Low IQ/ learning difficulties hyperactivity/ emotional & behavioural problems Autism
424
FRAGILE X SYNDROME (MARTIN-BELL) Physical symptoms?
Long, narrow face Large ears Prominent jaw Big testes
425
FRAGILE X SYNDROME (MARTIN-BELL) Ix and Tx?
Molecular genetic testing of FMR1 gene Minocycline = shows improvement in behaviour
426
KLINEFELTER SYNDROME What is it?
47XXY chief genetic cause of hypogonadism
427
KLINEFELTER SYNDROME Clinical presentation?
Gyaecomastia Infertility taller than average small testes/penis Delayed/ absent puberty less body hair, broader hips, longer legs
428
KLINEFELTER SYNDROME Associations?
Psychosocial issues Learning disability Autoimmune disease Osteoporosis Decreased Sexual Maturation
429
KLINEFELTER SYNDROME Management
Androgen therapy mastectomy (gynaecomastia) lifespan normal Arm span may be longer than body length
430
Key Features of: Patau Syndrome?
Microcephalic small eyes cleft lip/palate scalp lesions
431
Key Features of: Edward's Syndrome?
Micrognathia Low set ears Rocker bottom feet Overlapping of fingers
432
Key Features of: Fragile X Syndrome?
``` learning difficulties macrocephaly long face large ears Macro-orchidism ```
433
Key Features of: Noonan Syndrome?
webbed neck pectus excavatum short stature pulmonary stenosis
434
Key Features of: Pierre- Robin Syndrome?
micrognathia posterior displacement of the tongue (UAO) cleft palate
435
Key Features of: Prader- Willi Syndrome?
Hypotonia Hypogonadism Obesity/ Hyperphagia
436
Key Features of: William's Syndrome?
short stature learning difficulties friendly, extrovert personality transient neonatal hypercalcaemia Supravalvular aortic stenosis
437
AUTISM What is it?
neurodevelopmental disorder that includes a range of possible impairments in social interaction, repetitive behaviour and communication.
438
AUTISM Definition?
the presence of abnormal or impaired development that is manifest before the age of 3.
439
AUTISM Three characteristics of abnormal functioning?
1) Reciprocal social interaction 2) Impairment of language and communication 3) Restricted, repetitive behaviour
440
AUTISM Male to female ratio?
3/4:1 75% male
441
AUTISM Clinical presentation?
- Communication difficulties - Social interaction - Difficulties with imagination/ rigidity of thought
442
AUTISM Examples of social interaction difficulties?
- no desire to interact with others - oblivious to others feelings - no understanding of unspoken social rules - lack of empathy - poor eye contact
443
AUTISM Examples of imagination difficulties?
restrictive/ repetitive behaviours obsessive fixations inability to play/write imaginatively same questions
444
AUTISM Examples of communication difficulties?
repeats speech disordered language poor non-verbal communication no social awareness, unable to start up or keep a conversation
445
AUTISM Associated medical problems?
epilepsy 25-30% visual and hearing impairment mental health (ADHD, depression, anxiety)
446
AUTISM Treatment?
Early behavioural intervention education for parents Support in schools
447
AUTISM Treatment for Aggression/irritability?
Risperidone
448
AUTISM Treatment for sleep difficulties?
Melatonin
449
AUTISM Treatment for repetitive behaviours?
SSRI's
450
ASPERGER'S SYNDROME What is it?
Pervasive development disorder which lies within the autistic spectrum.
451
ASPERGER'S SYNDROME Ratio of boys to girls?
Boys 8:1 Girls
452
ASPERGER'S SYNDROME Difference to autism?
- lack of delayed cognition and language, - aspergers are above average intelligent - Aspergers are more likely to seek social interaction and share activities/ friendships
453
ASPERGER'S SYNDROME Clinical presentation?
- Obsessed with complex subjects - concrete thinking - Pedantic - Normal speech - Clumsiness - Solitary but socially aware - Poor sleep patterns
454
ADHD What is the criteria?
1) Present before 12 2) developmentally inappropriate 3) Severel symptoms in multiple settings 4) clear effect on social/academic/ occupational functioning
455
ADHD How many inattentive and hyperactive symptoms must be evident?
6/9 inattentive 6/9 hyperactive/impulsive symptoms
456
ADHD Cause?
Prematurity | Fetal alcohol syndrome
457
ADHD 3 core symptoms?
- Hyperactivity - Inattention - Impulsivity
458
ADHD inattentive symptoms? (9)
1) easily distracted 2) does not appear to be listening when spoken to 3) has difficulty sustaining attention 4) avoids/ dislikes sustained mental effort 5) forgetful in daily activities 6) difficulty following instructions/ fails to complete tasks 7) difficulty organising tasks 8) careless mistakes/ lack of attention to detail 9) loses important items
459
ADHD Hyperactive/ impulsive symptoms? (9)
Hyperactive: 1) squirms/ fidgets 2) cannot remain seated 3) runs/ climbs in inappropriate situations 4) often 'on the go' 5) talks excessively 6) cannot perform leisure activities quietly Impulsive: 7) blurts out answers 8) has difficulty awaiting turn 9) interrupts / intrudes others
460
ADHD Primary school child clinical picture?
- Distractibility - restlessness - disruptive behaviour - low self esteem - rejection by peers - impaired family relations
461
ADHD Adolescence clinical picture?
- difficulty in organisation - persistent inattention - aggressive anti-social behaviour - alcohol and drug problems - sexually inappropriate - lack of achievement
462
ADHD treatment?
1st: Methylphenidate (ritalin)- 6 week trial, monitor growth during tx 2nd- Atomoxetine 3rd- Lisdexamfetamine (when unresponsive to maximum doses of other two treatments)
463
OCD What are obsessions? What are compulsions?
Obsessions are unwanted intrusive thoughts, images or urges that repeatedly enter the person's mind Compulsions are repetitive behaviours or mental acts that the person feels drive to perform
464
OCD Causes?
Neuro conditions developmental factos (abuse) Stressors/triggers (pregnancy)
465
OCD Associated conditions?
- Depression - Social and other phobias - Alcohol misuse - Generalised anxiety disorder - Body dysmorphic disorder (BDD) - Eating disorders - Schizophrenia - Bipolar disorder - Tourette’s - Autism
466
OCD clinical presentation?
Must be present on most days for at least two weeks - not imposed by outside influences - repetitive and unpleasant/ excessive - interfere with individual functioning e.g. wasting time
467
OCD Tx?
CBT Exposure and repsonse prevention SSRI's
468
DIFFERENCE BETWEEN SYNCOPE AND SEIZURE Triggers?
Seizure: Flashing lights/ hyperventilation Syncope: upright, exertion, blood, needles
469
DIFFERENCE BETWEEN SYNCOPE AND SEIZURE Prodrome?
Seizure: Typical aura Syncope: nausea, sweating, palpitations
470
DIFFERENCE BETWEEN SYNCOPE AND SEIZURE Duration?
Seizure: variable Syncope: 1-30s
471
DIFFERENCE BETWEEN SYNCOPE AND SEIZURE Convulsive jerks?
Seizure: Common prolonged Syncope: less common and brief
472
DIFFERENCE BETWEEN SYNCOPE AND SEIZURE incontinence?
Seizure: Common Syncope: Uncommon
473
DIFFERENCE BETWEEN SYNCOPE AND SEIZURE tongue bite?
Seizure: Common Syncope: rare
474
DIFFERENCE BETWEEN SYNCOPE AND SEIZURE colour?
Seizure: Partial- pale tonic clonic- red,blue Syncope: very pale
475
DIFFERENCE BETWEEN SYNCOPE AND SEIZURE post-ictal phase?
Seizure: yes, slow and confused Syncope: no, rapid orientation
476
What is a seizure?
Transient occurence of signs/ symptoms due to abnormal excessive neuronal activity in the brain
477
what is syncope?
sudden reduction in cerebral perfusion with oxygenated blood
478
FEBRILE SEIZURES What are they?
seizures occuring in children aged 6 months to 6 years with fever and raised temperature (>37.8)
479
FEBRILE SEIZURES what is a simple febrile seizure?
- generalised tonic-clonic - less than 15 mins - typically do not recur within 24 hrs - should be recovered/ drowsy within 1 hr
480
FEBRILE SEIZURES what is a complex febrile seizure?
Focal features may be recurrence within 24 hours duration of more than 15 mins
481
How long is a febrile status epilepticus seizure?
longer than 30 mins
482
FEBRILE SEIZURES Causes?
- metabolic (electrolytes/glucose) - Viral (meningo) - CNS lesion - epilepsy - trauma
483
FEBRILE SEIZURES When should you urgently refer?
1) First febrile seizure 2) >5 min duration 3) Drowsy >1 hour after seizure 4) Previous history of: - <18 months - Complex seizure - On Antibiotics
484
FEBRILE SEIZURES when should a LP be considered?
In children up to 18 months
485
Contra- indications of LP?
- reduced consciousness - septicaemic shock - likely invasie meningococcal - signs of raised ICP - focal neurology - bleeding tendency
486
REFLEX ANOXIC SEIZURE What is it?
Paroxysmal, self limiting brief asystole (<15s) that occurs in infants (6 months- 2 yrs) due to common triggers such as: - Pain - cold foods - Fright - Fever
487
treatment of seizures?
Diazepam/ Midazolam, Lorazepam if lasting >5 min
488
REFLEX ANOXIC SEIZURE Clinical presentation?
stops breathing stiff/rigidity incontinence pale/blue - NO tongue bite
489
REFLEX ANOXIC SEIZURE Pathophysiology?
Cardiac asystole from vagal inhibition, diagnosis through vagal excitation tests
490
REFLEX ANOXIC SEIZURE Tx?
Check ferritin No drugs needed pacemaker might be a option, child usually grows out of it
491
EPILEPSY What is it?
Chronic neurological disorder characterised by recurrent unprovoked seizures
492
EPILEPSY 2 broad classifications?
Generalised (both hemispheres) Focal/Partial
493
EPILEPSY Describe absent epilepsy?
1) transient LoC for no more than 30s 2) Abrupt onset and no motor phenomena apart from eyelid flickering 3) Often precipitated by hyperventilation 4) Stare momentarily and stop moving 5) No recall but knows theyve missed something 6) 2/3rds female 7) 4-12 yrs old
494
EPILEPSY types of generalised seizures?
``` Absent Myoclonic Tonic Tonic-clonic Atonic ```
495
EPILEPSY Types of partial/focal seizures?
Frontal Temporal Parietal Occipital
496
EPILEPSY Describe myoclonic seizure?
Brief, repetitive jerking movements of limbs, neck or trunk
497
What is a hiccough/ hiccups?
non epileptic myoclonic seizure of diaphragm
498
EPILEPSY Describe a tonic seizure?
Generalised increase in tone
499
EPILEPSY Describe Tonic- clonic seizures? (tonic phase)
- Rigid - Fall to ground - Stop breathing/ cyanosis
500
EPILEPSY Describe Tonic- clonic seizures? (clonic phase)
- Rhythmic contractions - Limb jerking - irregular breathing - Saliva/ cyanosis - tongue bite/incontinence
501
EPILEPSY what follows a tonic-clonic seizure and how long do they last?
Followed by deep sleep/ unconsciousness for up to several hours Seizure lasts seconds to minutes
502
EPILEPSY Describe an atonic seizure
Transient loss of muscle tone causing drop to the floor or drop of head
503
EPILEPSY Describe a frontal seizure
motor phenomena (clonic) Assymetrical
504
EPILEPSY Describe a parietal seizure
Contralateral altered sensation
505
EPILEPSY Describe a temporal seizure
- Auditory/ smell/ taste phenomena - Lip smacking/ plucking clothes - Longer seizures - Deja vu
506
EPILEPSY Describe a occipital seizure
Vision distortion
507
EPILEPSY Causes?
Usually none found Infection Hypo (glucose, Na, Ca, Mg) Trauma Metabolic defects CNS tumour Lights/ exercise
508
EPILEPSY Ix?
EEG History diagnosis CT/MRI
509
EPILEPSY Management of generalised?
Trigger education 1st line- Valoproate/ carbamazepine 2nd line- Lamotrigine
510
EPILEPSY Management of focal?
1st line- Valproate/ carbamazepine/ lamotrigine 2nd line- Topiramate, gabepentin, tigabine, bigatrin
511
EPILEPSY Management of prolonged seizures?
Rectal diazepam
512
STATUS EPILEPTICUS Management?
ABC Supportive therapy: Secure airway IV access check temp Check glucose Drugs: Lorazepam IV (5 min) Lorazepam IV (15 min) Phenytoin IV (20 min) Refer to PICU
513
INFANTILE SPASMS/ WEST SYNDROME 3 components?
1) infantile spasms 2) hypsarrhythmia 3) General learning disability
514
INFANTILE SPASMS/ WEST SYNDROME Epidemiology?
Peak incidence around 4-7 months Confined to infants and v small children
515
INFANTILE SPASMS/ WEST SYNDROME Clinical presentation? Describe the spasms?
Spasms Learning disability (70-90%) Hypopigmented skin lesions Mild/Moderate growth restriction
516
INFANTILE SPASMS/ WEST SYNDROME Describe the spasms?
- Clusters of head nodding/jerks Sudden rapid tonic contraction of the trunk and limb muscles - last between 5-10 seconds Occur just before/ after sleep
517
INFANTILE SPASMS/ WEST SYNDROME Diagnosis?
EEG shows hypsarrhythmia which is crucial to diagnosis
518
INFANTILE SPASMS/ WEST SYNDROME treatment?
Vigabatrin (50% success) ACTH (50-65% success) {daily IM injections} Prednisolone PROGNOSIS IS POOR
519
TUBEROUS SCLEROSIS What is it?
Multi-system Formation of hamartomas in many organs, commonly the brain, skin and kidneys, which account for many of the clinical symptoms
520
TUBEROUS SCLEROSIS Cause?
Mutation of TSC1 or TSC2 gene on chromosome 9 or 16
521
TUBEROUS SCLEROSIS How does the affected gene cause the defect?
Hamartin and tuberin which form a regulatory complex responsible for limiting the activity of an important intracellular regulator of cell growth and metabolism
522
TUBEROUS SCLEROSIS Epidemiology?
1 in 5,800 Autosomal dominant TSC2 mutations are associated with more severe disease
523
TUBEROUS SCLEROSIS Clinical presentation?
Epilepsy/ neuro Behavioural problems Skin/teeth involvement CKD
524
TUBEROUS SCLEROSIS Epilepsy seen?
Focal seizures and infantile spasms occur in infancy secondary to tuber formation in the brain
525
TUBEROUS SCLEROSIS Cutaneous Features?
depigmented 'ash-leaf' spots which fluoresce under UV light roughened patches of skin over lumbar spine (Shagreen patches) adenoma sebaceum (angiofibromas): butterfly distribution over nose fibromata beneath nails (subungual fibromata)
526
TUBEROUS SCLEROSIS Behavioural problems?
Learning difficulties Social deficits Receptive/ expressive language deficits Attention deficit
527
TUBEROUS SCLEROSIS Diagnosis?
Clinical EEG- epilepsy MRI head- cortical tubers
528
TUBEROUS SCLEROSIS Tx?
Treat complications Vigabatrin is 1st
529
MUSCULAR DYSTROPHY What type of genetic defect is it?
X-linked recessive Mutation to gene encoding dystrophin
530
what is dystrophin?
Part of a large membrane associated protein in muscle which connects the muscle membrane to actin
531
MUSCULAR DYSTROPHY Types? which is more severe?
Duchenne- loss of Dystrophin Becker - misshapen dystrophin - Duchenne is more severe as 1 or both of the binding sites are lost (frameshift mutation) (No dystrophin)
532
MUSCULAR DYSTROPHY Clinical presentation?
- Waddling clumsy gait - Calf pseudohypertrophy - Boys aged 1-6 for Duchenne and 10-20 for Becker - Classic gower manoeuvre - resp impairment - Wheelchair needed 9-12 years - Scoliosis - osteoporosis
533
MUSCULAR DYSTROPHY Diagnostic tests?
Creatinine kinase RAISED Muscle biopsy Abnormal fibres surrounded fat/fibrous tissue
534
MUSCULAR DYSTROPHY Treatment?
Appropriate exercise helps to maintain muscle power and mobility and delays the onset of scoliosis PREDNISOLONE- slows the decline in muscle strength and function in the short term
535
MUSCULAR DYSTROPHY What is the Gower Manoeuvre?
Using hands to crawl up from a sitting position to a standing position
536
GASTROENTERITIS Common cause in children and adults?
Children= Rotavirus Adults = Noravirus
537
GASTROENTERITIS how many deaths of children per year due to rotavirus?
600k Vaccine is part of the schedule
538
GASTROENTERITIS Risk factors?
Poor hygiene Immunocompromised Poorly cooked food
539
GASTROENTERITIS Clinical presentation? tests?
Sudden onset D+V Pain Stool sample test
540
GASTROENTERITIS complications?
- Dehydration - Malnutrition - RARE temporary intolerance to sugar following D+V
541
GASTROENTERITIS management?
Correct dehydration Start Oral Rehydration therapy (Dioralyte) IV for those in shock
542
GASTROENTERITIS Common complication?
transient lactose intolerance remove lactose from diet and then slowly reintroduce after a few months
543
what is colic?
when an infant who isn't sick or hungry cries for more than 3 hours a day, more than 3 days a week, for more than 3 weeks
544
COWS MILK ALLERGY (CMPI) What immunoglobulin is it associated to
IgG & IgE
545
COWS MILK ALLERGY (CMPI) How is it confirmed?
RAST test- skin prick blood test to measure IgE specific antibodies in the blood
546
COWS MILK ALLERGY (CMPI) management? When is it normally resolved by? What to do in severe/ allergic reactions?
Avoid Cows milk Normally resolved by 5 years old Adrenaline in severe reactions Antihistamines for allergic
547
Signs of Post Infective lactose Intolerance and how is it confirmed?
- weight loss - stools green and frothy - Increased frequency Confirmed by presence of non-absorbed sugars in the stool
548
How to reduce toddlers diarrhoea and what may be the underlying cause?
Potential intestinal motility delay reduced by adequate fat/fibre to slow motility Presence of mucous and undigested vegetables common
549
COELIAC DISEASE What is it?
Gluten sensitive enteropathy- damaging immunological response to proximal small intestine mucosa
550
COELIAC DISEASE genetic association?
Linked to HLA DQ2 and less so to DQ8
551
COELIAC DISEASE Risks?
Downs T1DM Autoimmune thyroid disease
552
COELIAC DISEASE gastro clinical presentation?
Profound malabsorption foul smelling diarrhoea Abdo distension weight loss failure to thrive/ anaemia/low folate and ferritin
553
COELIAC DISEASE Non- GI manisfestations?
Dermatitis herpetiformis Severe pruritis osteoporosis Dental enamel defects macules/ papules/ vesicles
554
COELIAC DISEASE diagnosis?
IgA TTG antibodies and endomysial antibodies small intestinal biopsy
555
COELIAC DISEASE What does small biopsy show?
1) Villous atrophy 2) Intraepithelial lymphocytes 3) Crypt hypertrophy
556
CROHN'S what is it?
Transmural chronic inflammatory disease affecting distal ileum and proximal colon (ileocaecal) - Fistulae may develop between loops of bowel, skin, or other organs
557
CROHN'S Presentation?
Triad: Weight loss Bad smell diarrhoea Abdominal pain Nausea/vomiting Fever Urgency growth delay
558
CROHN'S Non-intestinal manifestations?
Oral lesions Clubbing Uveitis (middle layer of eye) Arthralgia (UC too) Erythema nodosum (UC too)
559
CROHN'S What is Erythema Nodosum
Erythema nodosum is a type of skin inflammation that is located in a part of the fatty layer of skin. Erythema nodosum results in reddish, painful, tender lumps most commonly located in the front of the legs below the knees
560
CROHN'S Diagnosis?
Exclude infection with stool MC&S Colonoscopy with biopsy
561
CROHN'S histological findings?
- non caseating, epithelioid cell granulomata
562
CROHN'S Endoscopic findings?
small bowel narrowing, fissuring, and bowel wall thickened Skip lesions
563
Management?
Flare ups- Steroids Immunosuppression- Methotrexate/ Azathioprine Anti- TNF biologics
564
ULCERATIVE COLITIS What is it?
Recurrent ulcerating disease involving mucosa of the colon (mainly distal colon)
565
ULCERATIVE COLITIS Presentation?
Rectal bleeding bloody diarrhoea Colicky pain weight loss growth failure
566
ULCERATIVE COLITIS Diagnosis?
Upper and ileocolonscopy Barium swallow to rule out Crohn's never further than ileocaecal valve goblet cell depletion crypt abscesses
567
ULCERATIVE COLITIS histology?
ulceration Crypt damage mucosal inflammation
568
ULCERATIVE COLITIS management?
5-ASA's sulfasalazine/ Mesalazine/ Balsalazide steroids for widespread exacerbations Azathioprine for induction of remission + low dose corticosteroid
569
Difference between Crohn's and UC?
Crohn's vs UC Transmural vs Mucosal Granulomas vs polymorphonuclear aggregation Skip lesions vs continuous Whole gut vs colon goblet cells vs reduced goblet cells Strictures/fistula/abscess vs presence of crypts (pseudopolyps as cells try to regenerate)
570
What is Kwashiorkor malnutrition?
Due to low intake of protein + essential amino acids but has enough energy from other sources - Oedema - Hair changes - Mental changes
571
What is Marasmus?
Malnutrition due to lack of calories from all energy sources
572
What is Intussusception?
Most common cause of intestinal obstruction, one segment of the bowel invaginate the other.
573
where is Intussusception likely to occur?
Ileocaecal
574
Clinical presentation of Intussusception?
Sudden onset paroxysms of colicky abdominal pain Early bile stained vomit RUQ mass (sausage shape) RED CURRENT JELLY stools
575
PYLORIC STENOSIS Presentation?
- Projectile vomiting - No bile - Constipation
576
PYLORIC STENOSIS Metabolic signs?
Metabolic alkalosis - Hyponatraemia - Hypochloraemia - Hypokalaemia
577
PYLORIC STENOSIS Signs on examination?
Olive sized pyloric mass Clearly visible LUQ peristalsis
578
PYLORIC STENOSIS Management?
Ramstedt's Pyloromyotomy
579
NECROTISING ENTEROCOLITIS (NEC) What is it?
Inflammatory bowel necrosis, most common GI emergency in neonates (tends to affect premature)
580
NECROTISING ENTEROCOLITIS (NEC) Risk factors?
- Prematurity - Low BW - PDA
581
NECROTISING ENTEROCOLITIS (NEC) Clinical presentation?
- Feeding problems with abdominal distension and vomiting Bloody mucoid stool and bilious vomiting
582
NECROTISING ENTEROCOLITIS (NEC) Diagnosis?
Abdo X-ray - Pneumatosis intestinalis (gas in gut wall) Portal venous gas
583
NECROTISING ENTEROCOLITIS (NEC) Tx/
Nil by mouth IV Cefotaxime/ Vancomycin for 10-14 days
584
HIRSCHPRUNG'S DISEASE What is it?
No bowel movements due to missing nerve cells (ganglia) in segment of baby’s colon
585
HIRSCHPRUNG'S DISEASE Presentation?
- No bowel movements in 1st 48hrs = Meconium Ileus - Vomiting bilious green - Constipation
586
HIRSCHPRUNG'S DISEASE Complications?
GI perforation | Short gut syndrome after surgery
587
HIRSCHPRUNG'S DISEASE Diagnosis?
X ray with barium contrast Rectal biopsy
588
HIRSCHPRUNG'S DISEASE Management?
Bowel washouts/irrigation Bypass surgery/ ileostomy//colostomy
589
JAUNDICE Why do neonates have higher bilirubin levels than adults?
1) higher concentration of RBCs with short lifespan 2) RBCs breakdown = unconjugated bilirubin 3) unconjugated bilirubin becomes conjugated in liver = liver immaturity = slower conjugation
590
JAUNDICE What may be the possible cause of jaundice in neonates at: <24 hours? >14 days?
<24hrs = Rhesus haemolytic disease (+ve Coombs test) >14 days = Biliary atresia (pale stools)
591
JAUNDICE Risk factors?
- Low BW - Prematurity - Breast fed babies - Maternal diabetes - Family Hx
592
JAUNDICE Clinical presentation?
First seen normally on forehead and face Neuro signs: - change in muscle tone, altered crying - Pale stools and dark urine
593
JAUNDICE What is the name of continued high levels of jaundice?
Kernicterus
594
JAUNDICE Treatment of jaundice?
Phototherapy Exchange transfusion
595
JAUNDICE What is Kernicterus?
Acute bilirubin encephalopathy that can cause: Athetoid movements Deafness Low IQ (brain damage) prevented by jaundice treatments
596
GORD Signs? How is it diagnosed?
Regurgitation Distress after feeds / failure to feed & thrive Apnoea Diagnosed by endoscopy if required
597
GORD Management?
1) Avoid over-feeding 2) Thicken feeds 3) Antacid + Na/Mg alginate (Gaviscon) 4) Introduce PPI
598
GORD If GORD does not resolve in 6-9 months what can be done?
Fundoplication if still failure to thrive / severe oesophagitis
599
What is Meckel's Diverticulum? What is the Rule of 2's?
most frequent malformation of GI tract ``` 2% of population 2 feet from ileocaecal valve 2 different mucosa common in less than 2 years old Males 2x than females 2 inches long or less ``` Meckel diverticulum occurs in 2% of the population, 2% are symptomatic, children are usually less than 2 years, affects males twice as often as females, is located 2 feet proximal to the ileocecal valve, is 2 inches long or less, and can have 2 types of the mucosal lining.
600
How is Meckel's Diverticulum diagnosed?
Always considered when patients have haemorrhage or obstruction CT scan if volvulus/intusseception
601
When should a Diverticula be resected?
>2cm narrow neck fibrous band to abdominal wall inflamed/ thickened
602
what can congenital diaphragmatic hernia lead to?
Impaired lung development - Pulmonary hypoplasia - Pulmonary hypertension
603
What is Gastroschisis?
Evisceration of abdominal contents, opening usually >5cm
604
Signs of biliary atresia? Treatment?
Elevated unconjugated/conjugated bilrubin = Jaundice Pale stools/ dark urine kasai procedure
605
Causes of increased interstitial fluid?
o Lymph drainage – lymphoedema (eg congenital, blockade) o Venous pressure and drainage – venous obstruction eg thrombosis o Lowered oncotic pressure (low albumin / protein) ▪ Malnutrition ▪ Decreased production from liver ▪ Increased loss eg gut, Kidney (nephrotic syndrome) o Salt and Water retention ▪ Heart failure ▪ Kidney – impaired GFR
606
Causes of Oedema (renal)
o Glomerulonephritis (Nephrotic syndrome, diabetes, HSP, SLE, infection, malignancy, Alports) o orthostatic proteinuria, reduced renal mass, hypertension o tubular proteinuria (ATN, PKD)
607
NEPHROTIC SYNDROME most common cause?
minimal change disease
608
NEPHROTIC SYNDROME Triad?
o Heavy proteinuria ▪ First morning urine (protein:creatinine) • >1g/m2/24 hrs o Hypoalbuminaemia ▪ Normal range 35-45g/l ▪ Fluid retention and oedema normally <25-30 but not cut off o Oedema ▪ Pitting oedema and gravitational o Can also have Hyperlipidaemia
609
NEPHROTIC SYNDROME Investigations?
Urinalysis (dipstick = UTI, MC&S = protein) BP Low serum albumin Low Anti- T III = prone to renal vein thrombosis/ DVT/ PE - Antistreptolysin O and anti-DNAse B titres and throat swab
610
NEPHROTIC SYNDROME 3 types?
Congenital (<1 year) Steroid sensitive steroid resistant
611
NEPHROTIC SYNDROME Signs of Steroid sensitive NS?
1) Normal BP, renal function 2) no macroscopic haematuria 3) no features to suggest nephritis 4) Normally minimal change histologically
612
NEPHROTIC SYNDROME Signs of Steroid resistant NS?
1) Elevated BP, impaired renal function 2) haematuria 3) features to suggest nephritis 4) underlying glomerulopathy/ basement membrane abnormality histologically
613
NEPHROTIC SYNDROME Tx of Steroid sensitive NS?
1st - Prednisolone 2nd - renal biopsy if unresponsive
614
NEPHROTIC SYNDROME Tx of Steroid resistant NS?
Diuretics/ACE-I = To treat oedema NSAIDs may reduce proteinuria
615
NEPHRITIC SYNDROME Causes?
Post infection - Grp A b-haemolytic strep HSP vasculitis IgA nephropathy
616
Clinical features of Acute Glomerulonephritis?
Haematuria Proteinuria Decreased urine output (salt and water retention = HTN) Impaired GFR (Increased Creatinine)
617
Investigations of Acute Glomerulonephritis?
o FBC – mild normochromic, normocytic anaemia o U&Es – increased urea and creatinine (hyperkalaemia, acidosis) o Low C3 + normal C4 complement o Urinalysis ▪ Macroscopic haematuria ▪ Dipstick – protein (albumin): creatinine ratio showing proteinuria ▪ Microscopy – RBC casts
618
Management of Acute Glomerulonephritis?
o Fluid balance (salt restriction + diuretics) o Treat HTN o Correct electrolyte imbalance (potassium/ acidosis) o Penicillin if infection
619
What is Alport Syndrome?
X linked recessive disorder associated with hearing loss, ocular defects and progressive kidney disease Almost always have haematuria
620
UTI give an example of an upper and lower
Upper = Pyelonephritis Lower = Cystitis
621
UTI Most common organisms?
E.coli Klebsiella
622
UTI Presentation of Upper/Lower UTI?
Upper: - Fever - Loin pain - failure to thrive, jaundice Lower: - Dysuria - Urinary frequency - Incontinence - Lower abdominal pain - Haematuria
623
UTI What could dysuria alone mean?
Vulvitis in girls Balanitis in boys
624
UTI Diagnosis and Investigations?
Urinalysis: MC&S Dipstick (leucocytes and nitrites)
625
UTI Management?
<3months - IV Amoxicillin and Gentamycin >3 months - Trimethoprim/ Nitrofurantoin/ Amoxicillin
626
What is Vesicoureteric reflux?
Anomaly of vesicoureteric junction where the ureters are displaced laterally and enter bladder directly = not at an angle means back flow
627
What can VUR cause? How is VUR diagnosed?
incomplete emptying = increase risk of UTI (cystitis) Renal damage if high pressure / infrarenal reflux Dx = micturating cystourethrogram
628
AKI Pre renal Causes?
- Hypovolaemia (nephrotic syndrome, gastroenteritis, haemorrhage) - circulatory failure
629
AKI Renal causes?
Vascular- haemolytic uraemia syndrome/ vasculitis tubular - Acute tubular necrosis Glomerular - glomerulonephritis Interstital - pyelonephritis
630
AKI Post renal causes?
Obstruction congenital- posterior urethral valves acquired- blocked urinary catheter
631
What is AKI?
Acute kidney injury characterised by rapid rise in creatinine and development of oliguria/anuria.
632
Secondary causes of AKI?
Cardiac surgery Bone marrow transplant Toxicity - DRUGS (NSAIDs, vancomycin, acyclovir, aminoglycosides)
633
AKI Signs on bloods?
``` High: K Creatinine Urea maybe phosphate ``` Low: Ca Na Cl
634
AKI management?
- Fluids - If urine osmolality low = furosemide Renal replacement therapy = pulmonary oedema/HTN/ not responding to tx
635
Management of Hyperkalaemia?
IV calcium gluconate (protect cardiac membrane) Nebulised salbutamol Diuretics/Dialysis to remove K from body
636
CKD Causes?
- Congenital dysplastic kidney - pyelonephritis - glomerulonephritis - recurrent infection - reflux nephropathy - AKI - leading to necrosis
637
CKD Investigations?
- Monitor growth - BP- - U+E - Ca2+ (often low), Phosphate (often high)
638
CKD Presentation?
- Anorexia/lethargy - Polydipsia/polyuria - ^BP, hypertensive, retinopathy - anaemia - Failure to thrive - seizures - renal Ricketts
639
Management of CKD?
Treat Anaemia, acidosis Manage diet Prevent renal osteodystrophy Dialysis + transplant
640
Ddx of Proteinuria?
- Orthostatic proteinuria - Glomerular abnormalities o Minimal change disease - nephrotic syndrome o Glomerulonephritis (nephrotic syndrome) ``` o DM - Increased glomerular filtration pressure - Reduced renal mass - Hypertension - Tubular proteinuria o ATN o PKD o Pyelonephritis ```
641
Ddx of Haematuria?
Non glomerular: - Infection - Trauma to genitalia/ kidney - stones - tumour - sickle cell - renal vein thrombosis ``` Glomerular: - Vasculitis - SLE - Post infectious - Glomerulonephritis IgA nephropathy ``` Alports syndrome Goodpastures
642
DIABETES Cause of T1 DM?
T-cell mediated B-cell destruction in the Islets of Langerhan causing no insulin production
643
DIABETES What % of childhood diabetes is type 1?
97%
644
DIABETES Insulin actions?
1) Stimulates formation of glycogen from glucose in the liver 2) Stimulates glucose uptake form blood into cells 3) Lowers blood sugar
645
DIABETES What is the threshold for: Fasting glucose OGTT HbA1c
Fasting = >7mmol/L OGTT = >11.1mmol/L HbA1c = >6.5%
646
DIABETES How does the body respond when insulin is not working efficiently?
Gluconeogenesis = produce glucose from amino acids / muscle breakdown Ketogenesis = fatty acids converted to ketones
647
DIABETES Clinical presentation?
- Polyuria - Polydipsia - Weight loss - Lethargy - Poor growth
648
Signs of DKA?
- Vomiting - Acidosis - Reduced consciousness - Ketonuria
649
DKA on investigation?
Hyperglycaemia = >7mmol/L Acidosis pH <7.3 Ketones in urine
650
DKA management?
1) Resus ABC 2) Correct dehydration 3) Give insulin 1hr after giving fluids 4) Monitor - hourly blood glucose Avoid bicarbonate as increases risk of cerebral oedema
651
Hypoglycaemia features?
- Irritable - Sweaty - Headache - Pallor - Drowsy - Slurred speech - Convulsions
652
HYPOTHYROIDISM Congenital and acquired causes?
Congenital: - iodine deficiency - pituitary dysfunction - maldescent of thyroid Acquired: - Prematurity - Hashimoto's - Trisomy 21
653
HYPOTHYROIDISM Clinical features? (Congenital normally picked up on screening and asymptomatic)
``` Bradycardia Cold intolerance Dry skin Thin,dry hair Constipation Delayed puberty Obesity Learning difficulties ``` §
654
Treatment of Thyroid storm/crisis?
- IV hydrocortisone - IV Fluids - Propanolol
655
CONGENITAL ADRENAL HYPERPLASIA How is it diagnosed?
Virilisation of external female genitalia SALT-LOSERS:- (no aldosterone production) - Low Na - High K - Metabolic acidosis - Hypoglycaemia
656
Treatment of a salt-losing crisis?
Sodium chloride Glucose IV Hydrocortisone
657
What is Kallmann's?
Hypogonadotrophic hypogonadism causing: - Delayed puberty - Anosmia
658
Definition of Precocious puberty?
'development of secondary sexual characteristics before 8 years in females and 9 years in males'
659
What is Thelarche?
First stage of breast development
660
What is Adrenarche?
First stage of pubic hair development
661
What is the Gonadotrophin pathway?
GnRH (from hypothalamus) —> ^FSH+LH —> testes/ovaries —> ^testosterone & oestrogen/progesterone —> inhibits FSH/LH secretion
662
Ddx of pain with swelling?
- Trauma - Infection (septic arthritis/osteomyelitis) - JIA - Arthritis (IBD) - Vasculitis (HSP/Kawasaki's) - CTD - CF - Sarcoidosis - Developmental/congenital
663
JIA Definiton?
Joint inflammation presenting in children and persisting for at least 6 weeks with other causes excluded
664
JIA Classification?
Oligoarticular = 1-4 joints in first 6 months Polyarticular RF -ve = 5+ joints in first 6 months Polyarticular RF +ve = 5+ joints in first 6 months / +ve RF seen on two occasions Systemic onset JIA = Arthritis + 2 weeks fever Psoriatic = arthritis + psoriasis
665
JIA Complications?
Chronic anterior uveitis Growth failure Osteoporosis
666
JIA Investigations?
Normocytic anaemia Raised: WCC, CRP, Platelets RF / HLA-B27 MSK examination X-rays
667
JIA Treatment?
NSAIDs + Analgesics Steroids DMARDs (metho/sulfa) Biologics
668
What is juvenile SLE?
Chronic autoimmune disease affecting every organ of the body relapsing and remitting
669
Diagnostic criteria for Juvenile SLE?
SOAP BRAIN MD Serositis (pleuritis/pericarditis) Oral ulcers Arthritis Photosensitivity ``` Blood (pancytopenia) Renal (proteinuria) ANA +ve (anti-nuclear antibody) Immunological Neurological (psych/seizures) ``` Macular rash Discoid rash
670
OSTEOMYELITIS Where are the most common sites?
Distal femur Proximal tibia
671
OSTEOMYELITIS most common bacterial causes?
Staph Aureus h.influenza Group A beta haemolytic strep
672
OSTEOMYELITIS Classic signs?
Severe pain Immobile limb (pseudo paresis) Swollen over area Acute febrile illness (lethargy/high temp)
673
OSTEOMYELITIS Investigations?
x-ray MRI blood cultures FBC (^WCC/CRP)
674
OSTEOMYELITIS Treatment?
(over 3 months old) = IV Cefuroxime SWITCH TO ORAL AFTER 1 WEEK IF CAN TOLERATE AND CRP <10: Flucloxacillin if s.aureus Co-amoxiclav if unsure
675
SEPTIC ARTHRITIS What is it?
Serious infection of the joint space - can lead to bone destruction
676
What should you assume in a limping child?
Septic arthritis until proven otherwise
677
SEPTIC ARTHRITIS Common organism causes?
1) S.aureus | 2) h.influenza
678
SEPTIC ARTHRITIS clinical presentation?
Red, hot, acutely tender joint reduced ROM Acutely febrile child
679
SEPTIC ARTHRITIS Investigations?
Joint aspiration under USS = definitive blood cultures ^WCC, CRP/ESR
680
SEPTIC ARTHRITIS Treatment?
early treatment is vital to prevent destruction of articular cartilage + bone IV Abx / possible surgical drainage
681
DDH Risk factors?
- Female 6x more likely - breech presentation - Family Hx - Firstborn child - Oligohydramnios
682
DDH Clinical presentation?
Screened in examination BARLOW TEST = attempt to dislocate femoral head posteriorly ORTOLANI TEST = attempt to relocate a dislocated femoral head Observe for asymmetry
683
DDH investigations?
Dynamic USS early diagnosis important as if appropriately aligned in first few months = dysplastic hip can resolve spontaneously
684
DDH Treatment?
Most will spontaneously stabilise in 3-6 weeks Pavlik harness (flexion-abduction orthosis) in children under 4-5 months
685
PERTHE'S DISEASE what is it? How is it diagnosed?
Temporarily disrupted blood flow to femoral head causing avascular necrosis in children aged 4-8 years old Limited abduction and internal rotation - abnormal ossification on x-ray
686
What is Achondroplasia?
Autosomal dominant condition that is the most common form of short-limb dwarfism due to REDUCED growth of cartilaginous bone
687
Clinical presentation of Achondroplasia?
- Large skull, normal trunk, short arms and legs - Short stature - Frontal bossing - Marked lumbar lordosis
688
OSTEOPOROSIS Definition?
Low bone mass and deterioration of bone tissue, leading to bone fragility and increased fracture risk
689
OSTEOPOROSIS Possible causes?
Inherited - Osteogenesis Imperfecta Acquired - Drug induced, malabsorption
690
OSTEOGENESIS IMPERFECTA What is it?
Autosomal dominant condition causing increased fragility of bone (collagen type 1 = bone/teeth)
691
OSTEOGENESIS IMPERFECTA There is 4 types Name some associated symptoms and treatment
Blue sclerae Hearing loss Bisphosphonates
692
Give examples of bisphosphonates?
Alendronate Zoledronate Pamidronate
693
ANAEMIA What Hb figures show anaemia in neonates? 1-12 months? 1-12 years?
o Neonate: Hb <140g/L o 1month-12months: Hb<100g/L o 1year-12years: Hb<110g/L
694
ANAEMIA Causes?
- Impaired red cell production (Iron deficiency, - Increased red cell destruction (haemolytic disease of newborn, thalassaemias, sickle cell, G6PD deficiency) - blood loss (meckel's diverticulum, von willebrand disease)
695
Signs of Anaemia?
jaundice -> kernicterus Oedema hepatosplenomegaly
696
Pathophysiology and treatment of haemolytic disease of a newborn?
1) negative rhesus mother and positive baby 2) baby has D antigen and mother does not 3) Mother produces antibody against D antigen and haemolysis of newborns RBCs treatment? give mother purified anti-D so she does not sensitise to babies antigen = not exposed to immune system = no haemolysis
697
Cause of iron-deficiency?
1) Inadequate intake (poor feeding) 2) Malabsorption (CMPI) 3) blood loss
698
Investigations of IDA?
- Microcytic hypo chromic reticulocytes | - low ferritin and serum Fe
699
treatment of IDA?
Ferrous fumigate (oral iron therapy)
700
What is G6PD?
enzyme essential for preventing oxidative damage to red cells. RBCs lacking G6PD = exposed to oxidant induced haemolysis
701
How is G6PD transmitted?
X-linked
702
G6PD Presentation?
Neonatal jaundice Acute intravascular haemolysis (triad signs below) - Dark urine - Fever - Flank pain
703
What is sickle cell?
HbS forming due to mutation on chromosome 11. the cells cannot flex through capillaries which leads to: 1) Blockage 2) Vessel occlusion 3) Ischaemia 4) Low O2 tension (autosomal recessive)
704
How does HbS form?
Mutation on codon 6 of B-globulin gene - change in AA sequence from: Glutamine to Valine
705
What is B-Thalassemia?
Excess of alpha chains Autosomal recessive HBB gene on chromosome 11 HbA2 RAISED = ANAEMIA
706
Treatment of B-Thalassemia?
Long term folic acid BM transplant Regular transfusions
707
What is ITP?
Immune Thrombocyotpenic Purpura = Destruction of platelets by IgG autoantibodies
708
Acute signs of ITP?
Petachie on extremities Purpura/ bruising
709
Diagnosis?
Dx of exclusion, low platelets!
710
What is Von Willebrand Haemophilia?
Abnormality to vWF = no longer adhesive between platelets and damaged endothelium = Excessive bleeding
711
Tx of vWF disorder?
Tranexamic acid (stop excessive bleeding post surgery)
712
ACUTE LYMPHOBLASTIC LEUKAEMIA (ALL) What is it?
Disorder of lymphoid progenitor cells Lymphoid precursors proliferate and replace normal cells of the bone marrow
713
What is the most common cancer in children?
Acute Lymphoblastic Leukaemia
714
Symptoms of ALL?
- Pancytopenia: - Fatigue (anaemia) - Increased infections (leukopenia) - bleeding (thrombocytopenia) - bone and joint pain
715
Cause of ALL?
abnormal chromosome number OR chromosomal translocation of [t(12;21] or [t(9;22)] which is Philadelphia chromosome
716
Signs of ALL? | what is seen on examination
- Hepatosplenomegaly (blast cells settle here so enlarge - abdominal distension) - Lymphodenopathy (^ settle in lymph nodes) - Petechiae - Pallor
717
Diagnosis of ALL?
FBC - pancytopenia Blood film - show blast cells Bone marrow biopsy (CONFIRMS)
718
Treatment of ALL?
- Chemo/ Radio | - BM/stem cell transplant
719
5 stages of Chemo?
1) Induction 2) Consolidation 3) Interim maintenance 4) Delayed intensification 5) Maintenance
720
Most common presentation of a Neuroblastoma?
Abdo mass (can be anywhere on sympathetic chain)
721
What is Wilm's tumour?
Most common renal tumour in childhood that is: 95% unilaterally Presents as asymptomatic abdominal mass
722
Signs of raised ICP?
Headache Change in behaviour Nausea/vomiting Over-sleepy Papilloedema (may be decreased visual acuity)
723
Features of Retinoblastoma?
- Loss of red-reflex = replaced by white pupil (leukocoria)
724
Name the components of the traffic light system for an unwell child
1) Colour (skin, lips, tongue) 2) Activity 3) Respiratory 4) Circulation / Hydration 5) Other
725
Name high risk signs of an unwell child (Traffic light)
Colour : Pallor, blue Activity : not responding to social cues, does not stay awake, high pitched cry Respiratory : grunting, tachypnoea, chest indrawing, RR >60 Circulation / Hydration : reduced skin turgor tachycardia ``` Other : temperature non-blanching rash bulging fontanelle neck stiffness status epilepticus focal signs/seizures ```
726
What heart rate is a high risk sign for the following ages: <12 months 12-24 months 2-5 years
<12 months : >160 bpm 12-24 months : >150bpm 2-5 years : >140bpm
727
what temperature is a high risk sign for the following ages: <3 months 3-6 months
<3 months : >38 3-6 months : >39
728
What breathing rate is a high risk sign for the following ages: 6-12 months >12 months
6-12 months: >50 >12 months : >40
729
What is Respiratory Distress Syndrome?
Insufficient surfactant production seen in immature lungs
730
Risk factors of RDS?
Prematurity | C-section
731
Clinical presentation of RDS?
``` Tachypnoea >60 min Grunting Nasal flaring Intercostal recession Cyanosis ```
732
Treatment of Respiratory Distress Syndrome?
give maternal corticosteroids (Betamethasone/dexomethasone) = induce foetal lung maturation Oxygen (CPAP) exogenous surfactant by endotracheal tube
733
What is Bronchopulmonary Dysplasia?
Still needing O2 requirements after 36 weeks | complication of RDS
734
What is MSAF?
meconium stained amniotic fluid. This can lead to meconium aspiration syndrome when the baby inhales the meconium leading to Respiratory Distress Treated with: Surfactant / inhaled nitric oxide
735
what is Chorioamnionitis?
Chorioamnionitis is a bacterial infection that occurs before or during labor. The name refers to the membranes surrounding the fetus: the “chorion” (outer membrane) and the “amnion” (fluid-filled sac). The condition occurs when bacteria infect the chorion, amnion, and amniotic fluid around the fetus
736
who is most likely to get Intussusception?
Male | between 6-18 months
737
Diagnostic investigation for Intussusception?
Ultrasound
738
Treatment for Croup?
Single dose Dexamethsone/ prednisolone to reduce throat swelling
739
What is a Dermoid cyst?
Dermoid cysts are usually multiloculated and heterogeneous. Most are located above the hyoid
740
What are Cystic Hygromas?
Cystic hygromas are soft and transilluminate. Most are located in the posterior triangle.
741
Where will you find a Branchial cyst
smooth mass located on the lateral aspect of his anterior triangle, near to the angle of the mandible. On ultrasound; it has a fluid filled, anechoic, appearance