Paediatrics Flashcards
Nocturnal Enuresis Management?
- General
- Enuresis alarm
- Desmopressin
- Others (Imipramine, Oxybutynin)
Nocturnal Enuresis General Management?
- Fluid intake
- Toileting patterns
- Lifting and waking
- Reward systems e.g. star charts
Nocturnal Enuresis underlying causes?
- Constipation
- Diabetes
- UTI if recent onset
Desmopressin MOA?
Vasopressin analogue
Desmopressin side effect?
Hyponatraemia
‘Other’ Nocturnal Enuresis management?
- Imipramine
- Oxybutynin
Imipramine MOA?
TCA
Oxybutynin MOA?
Anticholinergic
Nocturnal Enuresis Classification?
- Primary = never achieved continence
- Secondary = dry for at least 6m before
Desmopressin for NE preferable?
Short term control e.g. sleepovers
Child development referral points?
- Doesnt smile at 10 weeks
- Cannot sit unsupported at 12 months
- Cannot walk at 18 months
Hand preference before 12 monthsa?
Abnormal, ?Cerebral Palsy
Probability of septic arthritis in children criteria?
Kocher’s criteria
Kocher’s criteria (1 point each)?
- Non weight bearing
- Fever > 38.5
- WCC > 12
- ESR > 40
Kocher’s criteria score interpretation?
- Very low risk
- 3% probability
- 40% probability
- 93% probability
- 99% probability
Septic arthritis children epidemiology?
- 4-5/100,000 children
- 2M:1F
Septic arthritis most commonly affected joints?
Hip, knee, ankle
Septic arthritis symptoms x4?
- Joint pain
- Limp
- Fever
- Systemically unwell: lethargy
Septic arthritis signs x3?
- Swollen
- Red joint
- Minimal movement of affected joint
Septic Arthritis Ix?
- Joint aspiration (for culture, WCCs)
- Bloods (raised inflammatory markers)
- Blood cultures
Kawasaki disease diagnosis?
Fever for >5 days + 4/5 of:
1. Bilateral conjunctivitis
2. Cervical lymphadenopathy
3. Cracked lips/strawberry tongue
4. Oedema/desquamation of hands/feet
5. Polymorphic rash
Kawasaki disease management?
- High dose aspirin
- IVIG
- Echo
Kawasaki disease complication?
Coronary artery aneurysm
Why is aspirin C/I in children?
Reye’s syndrome
CXR in TTN?
Hyperinflation and fluid in the horizontal fissure
TTN pathophysiology?
Delayed resorption of fluid in the lungs
Commonest cause of respiratory distress in newborns?
TTN
What mode of birth is TTN more common in?
C-sections (lung fluid not being squeezed out during passage through the birth canal)
TTN Management?
- Observation
- Supportive care
- Supplementary oxygen may be required
When does TTN usually settle?
1-2 days
Even if you suspect TTN what should be done?
Baby screened and treated for sepsis
RDS CXR findings?
Ground glass appearance and low volume lungs
Meconium aspiration syndrome CXR findings?
Asymmetric patchy opacities
Patau syndrome genetics?
Trisomy 13
Patau syndrome features?
- Microcephalic, small eyes
- Cleft lip/palate
- Polydactyly
- Scalp lesions
Edward’s syndrome genetics?
Trisomy 18
Edward’s syndrome features?
- Micrognathia
- Low set ears
- Rocket bottom feet
- Overlapping of fingers
Fragile X features?
- Learning difficulties
- Macrocephaly
- Long face
- Large ears
- Macro-orchidism
Noonan syndrome features?
- Webbed neck
- Pectus excavatum
- Short stature
- Pulmonary stenosis
Pierre-Robin syndrome features?
- Micrognathia
- Posterior displacement of the tongue (may result in upper airway obstruction)
- Cleft palate
Prader-Willi syndrome features?
- Hypotonia
- Hypogonadism
- Obesity
William’s syndrome features?
- Short stature
- Learning difficulties
- Friendly, extrovert personality
- Transient neonatal hypercalcaemia
- Supravalvular aortic stenosis
Cri du chat syndrome genetics?
Chromosome 5p deletion
Cri du chat syndrome features?
- Characteristic cry due to larynx and neurological problems
- Feeding difficulties and poor weight gain
- Learning difficulties
- Microcephaly and micrognathism
- Hypertelorism
Difference between Pierre-Robin and Treacher-Collins syndrome?
TC syndrome is AD so usually FHx of similar problems
Acute epiglottitis cause?
Haemophilus Influenzae type B
Why acute epiglottitis decreased?
Introduction of HiB vaccine
Acute epiglottitis features x5?
- Rapid onset
- High temp, generally unwell
- Stridor
- Drooling of saliva
- Tripod position
Acute epiglottitis Ix?
XR if concern about foreign body
Acute epiglottitis XR findings?
Lateral view will show swelling of epiglottis = Thumb sign
Croup XR findings?
PA view will show subglottic narrowing = Steeple sign
Croup Rx?
- Immediate senior involvement, endotracheal intubation may be necessary to protect airway
- Oxygen
- IV Abx
- Do NOT examine throat
Asthma 5-16 y/o Rx?
- SABA
- SABA + Low dose Inhaled ICS
- SABA + LD ICS + LTRA
- SABA + LD ICS + LABA
- SABA + MART
- SABA + MD ICS + MART
- SABA + (HD ICS as part of fixed dose regime or MART/trial of additional drug e.g. theophylline/refer to expert)
When should you prescribe SABA + LD ICS in asthma 5-16 y/o?
- Not controlled on previous step OR
- Newly diagnosed asthma with >=3/week or night time waking
Asthma <5 y/o Rx?
- SABA
- SABA + 8 week MD ICS (3 offshoots)
- SABA + LD ICS + LTRA
- Stop LTRA and refer to paediatric asthma specialist
Asthma <5y/o Step 2 Offshoots?
- If symptoms did not resolve during the trial period, review whether an alternative diagnosis is likely
- If symptoms resolved then reoccurred within 4 weeks of stopping ICS treatment, restart the ICS at a paediatric low dose as first-line maintenance therapy
- If symptoms resolved but reoccurred beyond 4 weeks after stopping ICS treatment, repeat the 8‑week trial of a paediatric moderate dose of ICS
What is MART?
- Maintenance and Reliever Therapy
- A form of combined ICS and LABA treatment in which a single inhaler, containing both ICS and a fast-acting LABA, is used for both daily maintenance therapy and the relief of symptoms as required
- MART is only available for ICS and LABA combinations in which the LABA has a fast-acting component (for example, formoterol)
LD ICS dose?
<= 200mcg budesonide or equivalent
MD ICS dose?
200-400mcg budesonide or equivalent
HD ICS dose?
> 400mcg budesonide of equivalent
DDH risk factors?
- 6F:1M
- Breech
- FHx
- Firstborn
- Oligohydramnios
- > 5kg
- Congenital calcaneovalgus foot deformity
DDH hip preference?
- Left hip
- 20% bilateral
DDH screening?
- Clinically at newborn and 6 week baby check using Barlow and Ortolani Tests
- US for 3 conditions
DDH US screening at 6 weeks?
- 1st degree FHx of hip problems in early life
- Breech presentation at or after 36 weeks gestation, irrespective of presentation at birth or mode of delivery
- Breech presentation at delivery if earlier than 36 weeks
4 Multiple pregnancy
DDH clinical examination?
- Barlow = dislocate an articulated femoral head
- Ortolani = relocate a dislocated femoral head
- Others = leg length symmetry, level of knees when hips and knees bilaterally flexed, restricted abduction of the hip in flexion
DDH imaging?
- US if clinically suspected
- If Infant > 4.5 months then XR 1st line
DDH Rx?
- Most unstable hips will spontaneously stabilise by 3-6 weeks of age
- Pavlik harness (dynamic flexion-abduction orthosis) in children younger than 4-5 months
- Older children may require surgery
Serum markers in severe asthma?
IL-6 and MMP-9
Commonest cause of vomiting in infancy?
GORD
GORD risk factors?
- Pre-term delivery
- Neurological disorders
GORD features?
- Typically develops before 8 weeks
- Vomiting/regurgitation following feeds
GORD diagnosis?
Clinical
GORD Rx?
- 30 degree head up during feed
- Sleep on back
- Smaller and more frequent feeds
- Trial of thickened formula
- Trial of alginates (Gaviscon), not at same time as thickening agents
- PPI with certain criteria
- Metoclopramide only used with specialist advice
GORD PPI criteria?
- Unexplained feeding difficulties (refusing feeds/gagging/choking)
- Distressed behaviour
- Faltering growth
GORD complications?
- Distress
- FTT
- Aspiration
- Frequent OM
- Dental erosion in older children
GORD fundoplication consideration?
If severe complications e.g. FTT and Medical Rx ineffective
Bronchiolitis most common cause?
RSV in 75-80%
Bronchiolitis epidemiology?
90% in 1-9m, peak incidence 3-6 months
What protects newborns against RSV?
Maternal IgG
Other causes of bronchiolitis?
- RSV
- Mycoplasma, adenovirus
When is bronchiolitis more severe?
- Premature (bronchopulmonary dysplasia)
- Congenital heart disease
- Cystic fibrosis
Bronchiolitis features?
Coryzal symptoms incl. mild fever precede:
1. Dry cough
2. Increasing SOB
3. Wheezing, fine inspiratory crackles
Bronchiolitis referral criteria?
- Apnoea
- Looks unwell
- Respiratory distress
- RR > 70 breaths/min
- Central cyanosis
- SpO2 <92%
Bronchiolitis Ix?
Immunofluorescence of nasopharyngeal secretions may show RSV
Bronchiolitis Rx?
Supportive
1. Humidified oxygen via head box if SpO2 <92%
2. NG feed if indicated
3. Suction sometimes used for excessive upper airway secretionsWh
What should be recorded in all febrile children?
- Temp
- HR
- RR
- CRT
- Signs of dehydration
CF genetics?
AR CTFR gene, encoded cAMP-regulated chloride channel
4 organisms which may colonise CF patients?
- S. aureus
- P. aeruginosa
- B. cepacia
- Aspergillus
Hand, foot and mouth disease cause?
Coxsackie A16 and Enterovirus 71
HFM disease features?
- Mild systemic upset = sore throat, fever
- Oral ulcers
- Vesicles on palms and soles of the feet
HFM disease Rx?
- Symptomatic (hydration and analgesia)
- No link to cattle disease
- Do not need to be excluded from school
Immunisations at birth?
BCG if risk factor
Immunisations at 2 months?
- ‘6-1 vaccine’ (diphtheria, tetanus, whooping cough, polio, Hib and hepatitis B)
- Oral rotavirus vaccine
- Men B
Immunisations at 3 months?
- ‘6-1 vaccine’ (diphtheria, tetanus, whooping cough, polio, Hib and hepatitis B)
- Oral rotavirus vaccine
- PCV
Immunisations at 4 months?
- ‘6-1 vaccine’ (diphtheria, tetanus, whooping cough, polio, Hib and hepatitis B)
- Men B
Immunisations at 12-13 months?
- Hib/Men C
- MMR
- PCV
- Men B
Immunisations at 2-8 years?
Flu vaccine (annual)
Immunisations at 3-4 years?
- ‘4-in-1 pre-school booster’ (diphtheria, tetanus, whooping cough and polio)
- MMR
Immunisations at 12-13 years?
HPV vaccine
Immunisations at 13-18 years?
- ‘3-in-1 teenage booster’ (tetanus, diphtheria and polio)
- Men ACWY
Croup main cause?
Parainfluenza virus
Croup epidemiology?
6m - 3y
More common in autumn
Croup features?
- Stridor
- Barking cough (worse at night)
- Fever
- Coryzal symptoms
Croup admission features?
- Any child with moderate or severe croup
- <6 m/o
- Known upper airway abnormalities e.g. laryngomalacia, Down’s
- Uncertainty about diagnosis
Croup Rx?
Single dose oral dexamethasone 0.15mg/kg to all children regardless of severity
Emergency croup Rx?
- High flow O2
- Nebulised adrenaline
Hypospadia characteristics?
- Ventral urethral meatus
- Hooded prepuce
- Chordee in more severe forms
- Urethral meatus may open more proximally in more severe variants
Hypospadia managament?
- Referral to specialist when identified
- Corrective surgery usually at 12 m/o
- Essential not circumcised prior
- Rx may not be needed in very distal disease
Commonest gynaecological disorder in girls?
Vulvovaginitis
Vulvovaginitis Rx?
- Advise about hygiene
- Soothing creams may be useful
- Topical Abx/antifungals
- Oestrogen cream in resistant cases
When does mucoid white vaginal discharge disappear?
3m of age
CMPI/CMPA epidemiology?
3-6% of all children and typically presents in the first 3 months of life in formula-fed infants, although rarely it is seen in exclusively breastfed infants
CMPI vs. CMPA IgE status?
Both IgE mediated (immediate) and delayed (non-IgE mediated reactions are seen)
CMPI = mild-moderate delayed reactions
CMPA = immediate reactions
CMPI/CMPA features?
- Regurgitation and vomiting
- Diarrhoea
- Urticaria, atopic eczema
- ‘Colic’ symptoms: irritability, crying
- Wheeze, chronic cough
- Rarely angioedema and anaphylaxis may occur
CMPI/CMPA Dx?
Often clinical, e.g. improvement with CMP elimination
CMPI/CMPA Ix?
- Skin prick/patch testing
- Total IgE and specific IgE (RAST) for cow’s milk protein
CMPI/CMPA management classification?
- Formula fed
- Breastfed
CMPI/CMPA formula fed management?
- Extensive hydrolysed formula (eHF) milk is the first-line replacement formula for infants with mild-moderate symptoms
- Amino acid-based formula (AAF) in infants with severe CMPA or if no response to eHF
- Around 10% of infants are also intolerant to soya milk
CMPI/CMPA breastfed management?
- Continue breastfeeding
- Eliminate cow’s milk protein from maternal diet. Consider prescribing calcium supplements for breastfeeding mothers whose babies have, or are suspected to have, CMPI, to prevent deficiency whilst they exclude dairy from their diet
- Use eHF milk when breastfeeding stops, until 12 months of age and at least for 6 months
CMPI prognosis?
- CMPI usually resolves in most children
- In children with IgE mediated intolerance around 55% will be milk tolerant by the age of 5 years
- In children with non-IgE mediated intolerance most children will be milk tolerant by the age of 3 years
- A challenge is often performed in the hospital setting as anaphylaxis can occur.
Labial adhesion definition?
Fusion of the labia minora in the midline
Labial adhesion epidemiology?
- 3m - 3y/o
Labial adhesion features?
Majority of cases are symptomatic
1. Micturition problems incl. vaginal pooling
2. On examination thin semitranslucent adhesions covering the vaginal opening between the labia minora are seen, which sometimes cover the vaginal opening completely
Labial adhesion Rx?
- Usually conservative (spontaneous resolution around puberty)
- If associated problems e.g. UTI –> oestrogen cream
- If this fails surgical intervention may be warranted
Labial adhesion cause?
Low level of oestrogen
Umbilical embryology?
During development the umbilicus has two umbilical arteries and one umbilical vein. The arteries are continuous with the internal iliac arteries and the vein is continuous with the falciform ligament (ductus venosus). After birth, the cord dessicates and separates and the umbilical ring closes.
Umbilical hernia?
- 20% neonates
- Majority will close within 12m-3y
- Strangulation rare
Paraumbilical hernia?
- Defect in linea alba close to umbilicus
- Edge more clearly defined than umbilical hernia
- Less likely to resolve than umbilical hernia
Omphalitis?
- Infection of the umbilicus, usually S. Aureus
Why is omphalitis dangerous?
Infection may spread through umbilical vessels with risk of portal pyaemia and portal vein thrombosis
Omphalitis Rx?
Topical and systemic Abx
Umbilical granuloma?
- Cherry red lesions surrounding the umbilicus, may bleed on contact and be a site of seropurulent discharge
- Infection is unusual
Umbilical granuloma Rx?
- Regular application of salt to wound
- Chemical cautery with topically applied silver nitrate
Persistent urachus?
- Urinary discharge from umbilicus
- Caused by persistence of urachus which attaches to the bladder
- Associated with other urogenital abnormalities
Persistent vitello-intestinal duct?
- Umbilical discharge that discharges small bowel content
- Complete persistence of duct is rare
- More common is persistence of part of duct (Meckel’s)
- Best imaged using contrast study to delineate anatomy
- Managed by laparotomy and surgical closure
Jaundice in first 24 hours?
Always pathological
Causes of Jaundice in first 24 hours?
- Rhesus haemolytic disease
- ABO haemolytic disease
- Hereditary spherocytosis
- G6PDD
Causes of jaundice from 2-14 days?
- Common (up to 40%), usually physiological. Due to more RBCs, more fragile RBCs, and less developed liver function
- More commonly seen in breastfed babies
Jaundice after 14 days Ix?
Prolonged jaundice screen (>21 days if premature)
1. Conjugated and unconjugated bilirubin
2. DAT (Coombs)
3. FBC, U&E, LFT, TFT, blood film
4. Urine for MC&S and reducing sugars
Meningococcal septicaemia benzylpenicillin community doses?
- <1 y/o = 300mg
- 1-10 y/o = 600mg
- > 10 years = 1200mg
Brushfield spots?
Down’s syndrome
Coloboma?
- Defect causing gap in lens, iris or retina
- Associated with Patau syndrome
Down’s features?
- Face = upslanting palpebral fissures, epicanthic folds, Brushfield spots in iris, protruding tongue, small low-set ears, round/flat face
- Flat occiput
- Single palmar crease, sandal gap
- Hypotonia
- Congenital heart defects (40-50%)
- Duodenal atresia
- Hirschprung’s disease
Down’s cardiac complications?
- Endocardial cushion defect (most common, 40%, AKA atrioventricular septal canal defect)
- VSD (30%)
- Secundum ASD (10%)
- Tetralogy of Fallot (5%)
- Isolated PDA (5%)
Down’s fertility?
- Males = almost always infertile due to impaired spermatogenesis
- Females = usually subfertile and have an increased incidence of problems with pregnancy and labour
Down’s other features?
- LD
- Short stature
- Repeated respiratory infections and glue ear
- ALL
- Hypothyroidism
- Alzheimer’s disease
- Atlanto-axial instability
5 normal lower limb variants in children?
- Flat feet (pes planus)
- In toeing
- Out toeing
- Bow legs (genu varum)
- Knock knees (genu valgum)
Flat feet mushkies?
- Present at all ages
- Absent medial arch on standing
- Typically resolves b/w 4-8 y/o, orthotics not recommended, parental reassurance appropriate
In toeing mushkies?
- Typically presents in 1st year
- Possible causes = metatarsus adductus, internal tibial torsion, femoral anteversion
Out toeing mushkies?
- Common in infancy and usually resolves by 2 y/o
- Usually due to external tibial tosion
- Intervention may be appropriate if doesnt resolve as increases risk of patellofemoral pain
Bow legs mushkies?
- Presents in 1st-2nd year
- Increased intercondylar distance
- Typically resolves by age of 4-5 years
Knock knees mushkies?
- Presents in 3rd-4th year
- Increased intermalleolar distance
- Typically resolves spontaneously
Most common cause of cyanotic CHD?
Tetralogy of Fallot
Tetralogy of Fallot time of presentation?
1-2 months, although may not be picked up until 6 months old
ToF x4?
- VSD
- RVH
- PS
- OA
Features of ToF?
- Right to left shunt
- Ejection systolic murmur due to PS
- Right sided aortic arch in 25%
ToF Cyanosis mushkies?
- Unrepaired TOF infants may develop episodic hypercyanotic ‘tet’ spells due to near occlusion of the right ventricular outflow tract
- Features of tet spells include tachypnoea and severe cyanosis that may occasionally result in loss of consciousness
- They typically occur when an infant is upset, is in pain or has a fever
ToF CXR?
Boot shapes heart
ToF ECG?
RVH
ToF management?
- Surgical repair often undertaken in two parts
- Cyanotic episodes may be helped by BB to reduce infundibular spasm
Chondromalacia patellae mushkies?
- Softening of the cartilage of the patella
- Common in teenage girls
- Characteristically anterior knee pain on walking up and down stairs and rising from prolonged sitting
- Usually responds to physiotherapy
Osgood-Schlatter disease (tibial apophysitis) mushkies?
- Seen in sporty teenagers
- Pain, tenderness and swelling over the tibial tubercle
Osteochondritis dissecans mushkies?
- Pain after exercise
- Intermittent swelling and locking
Patellar subluxation mushkies?
- Medial knee pain due to lateral subluxation of the patella
- Knee may give way
Patellar tendonitis mushkies?
- More common in athletic teenage boys
- Chronic anterior knee pain that worsens after running
- Tender below the patella on examination
Causes of snoring in children?
- Obesity
- Nasal problems (polyps, deviated septum, hypertrophic nasal turbinates)
- Recurrent tonsillitis
- Down’s syndrome
- Hypothyroidism
Respiratory distress syndrome (RDS) AKA?
- Surfactant lung deficient disease (SDLD)
- Hyaline membrane disease (HMD)
SDLD cause?
Insufficient surfactant production and structural immaturity of the lungs
SDLD prevalence?
- 50% born at 26-28 weeks
- 25% born at 30-31 weeks
Risk factors for SDLD?
- Male sex
- Diabetic mothers
- C-section
- Second born of premature twins
SDLD CXR?
Ground glass appearance with indistinct heart border
SDLD clinical features?
Similar to respiratory distress in the newborn i.e. tachypnoea, intercostal recession, expiratory grunting and cyanosis
SDLD management?
- Prevention during pregnancy = maternal corticosteroids to induce fetal lung maturations
- Oxygen
- Assisted ventilation
- Exogenous surfactant given via endotracheal tube
Caffeine in newborn babies?
Used as a respiratory stimulant
Sildafenil in neonates?
Pulmonary hypertension
Speech and hearing 3m?
Quietens to parents voice, turns towards sound, squeals
Speech and hearing 9m?
Mama and Dada
Understands no
Speech and hearing 12m?
Knows and responds to own name
Speech and hearing 12-15m?
Knows 2-6 words, understands simple commands
Speech and hearing 2y?
Combines two words, points to parts of the body
Speech and hearing 2.5y?
Vocabulary of 200 words
Speech and hearing 3y?
Talks in short sentences (e.g. 3-5 words)
Asks ‘what’ and ‘who’ questions
Identifies colours
Counts to 10 (little appreciation of numbers though)
Speech and hearing 4y?
Asks why, when, how questions
Gross motor 3m?
Little or no head lag on being pulled to sit
Lying on abdomen, good head control
Held sitting, lumbar curve
Gross motor 6m?
Lying on abdomen, arms extended
Lying on back, lifts and grasps feet
Pulls self to sitting
Held sitting, back straight
Rolls front to back
Gross motor 7-8 months?
Sits without support (refer at 12 months)
Gross motor 9m?
Pulls to standing, crawls
Gross motor 12m?
Cruises, walks with one hand held
Gross motor 13-15m?
Walks unsupported (refer at 18 months)
Gross motor 18m?
Squats to pick up a toy
Gross motor 2y?
Runs
Walks upstairs and downstairs holding on to rail
Gross motor 3y?
Rides a tricycle using pedals
Walks up stairs without holding on to rail
Gross motor 4y?
Hops on one leg
When should you consider pneumonia over bronchiolitis?
High fever (>39 degrees) and/or persistently focal crackles
Most common cause of nephrotic syndrome in children?
Minimal change disease
Nephrotic syndrome triad?
- Proteinuria (>1g/m^2 per 24 hours)
- Hypoalbuminaemia (<25g/l)
- Oedema
Minimal change disease management?
90% cases responding to high dose oral steroids
Minimal change disease peak incidence age?
2-5 y/o
Other features of nephrotic syndrome?
- Hyperlipidaemia
- Hypercoagulable state (due to loss of antithrombin III)
- Predisposition to infection (due to loss of Igs)
ADHD epidemiology?
- 2x autism, 4M:1F
- Most diagnosed 3-7 y/o
- Possible genetic component
ADHD triad?
- Inattention
- Hyperactivity
- Impulsivity
ADHD diagnosis?
- 6 features up to 16 y/o
- 5 features > 17 y/o
ADHD management?
- Ten week watch and wait period
- If persists then referral to secondary care
- Mild/moderate = parents attending education and training programmes
- Methylphenydate on a 6 week trial basis
- If inadequate response switch to lisdexamfetamine
- Dexamfetine if cant tolerate lisdexamfetamine side effects
Age at which methylphenidate can be started?
> 5 y/o