Paeds Flashcards
What are the 3 core behaviours of ADHD?
Hyperactivity
Inattention
Impulsivity
(HII behaviours) extreme where it is causing
What are the DSM criteria for ADHD?
at least 6 inattentive symptoms + 6 hyperactive or impulsive symptoms
Present in a primary setting
Developmentally inappropriate
Interferes in life and function
Symptoms in multiple settings
What comorbidities are often found with ADHD and autism?
Tics Tourette's Asperger's Developmental/ Learning difficulties Sensory difficulties Sleep difficulties
In older people:
- Depression/ anxiety
What investigations should be conducted in ADHD?
Clinical interview
Classroom (behavioural) observation
Information from third parties
Quantitive behaviour testing (QB)
What is the aetiology of ADHD?
- GENETIC
- Abnormal dopamine pathways (neurochemical or neuroanatomical)
- Environmental factors
- CNS insults
What are the risk factors of ADHD?
- prematurity
- foetal alcohol syndromes
- abuse
- substance abuse
- mental health issues
What is the management of ADHD?
Lifestyle advice:
- education!!! and associated lifestyle management (emotional age of ADHD children are 1/3 less than they should be, e.g. 12y/o has emotional maturity of 9y/o)
- Parenting and school information courses
- balanced diet/ exercise
Medication: Stimulants (2) - Methylphenidate - Dexamfetamine Medication: Non-stimulants - Atomoxetine
What is the presentation of autism?
2-4 y/o, boys ++
Issues with:
- COMMUNICATION (abnormal language development, abnormal accents or speech patterns, repetition, poor non-verbal communications- eye contact)
- SOCIAL INTERACTION (2-way relationships) (no desire to interact with others or don’t understand how to navigate social rules- comes across as rude, personal space issues)
- SOCIAL IMAGINATION (inability to play or write imaginatively, rule based play, resists change, positive obsessions/rituals (unlike negative in OCD))
- SENSORY ISSUES
What is the management of autism?
Social Managements:
- Education
- Applied behavioural analysis
- Learning/ playing tools (visual)
- Communication tools
- Visual planners
What are signs of dehydration in children?
skin turgor moist mucosal membranes reduced urine output sunken eyes/ fontanel lethargic/ unconscious
What is normal fluid requirement for a neonate?
1st day: 60ml/kg
2nd day: 90ml/kg
3rd day: 120ml/kg
4th day- 1 month: 150ml/kg
What different fluids would you give to a 0-48hr baby, 48hr-1 month baby, 1 month onwards child?
0-48hr–> 10% dextrose
48hr-1month–> dextrose, sodium, potassium
1 month onwards–> 0.9% sodium chloride + 5% glucose
What is maintenance fluid requirements for children?
First 10kg: 100ml/kg
Next 10kg: 50ml/kg
Every other kg: 20ml/kg
if dehydrated; +50ml/kg
if shocked: +100ml/kg + bolus
What are symptoms of inattention? (ADHD)
- easily distracted
- does not appear to be listening
- difficulty sustaining attention
- forgetful in ADL and loses things
- fails to complete tasks
What are symptoms of impulsivity? (ADHD)
- interrupts in conversation
- difficulty waiting
- adolescents: risky behaviours- sex, alcohol, drugs, car accidents etc.
What are symptoms of hyperactivity? (ADHD)
- squirmy/ fidgeting
- runs or climbs excessively/ inappropriately
- excessive talking (girls)
Measles:
- Cause
- Presentation
- Complications
- Management
Cause
- Viral
Presentation:
- CCCK; cough, coryza, conjunctivitis, Koplick spots
- Fever, malaise
- Rash- discrete maculopapular rash from behind ears/ forehead—> down, to blotchy rash
Complications:
- Pneumonia
- Encephalitis
Management:
MMR vaccine, ribavirin, Vitamin A
Mumps:
- Cause
- Presentation
- Complications
- Management
Cause
- Virus, accesses parotid glands before disseminating
Presentation:
- Fever, malaise
- Pain swallowing
- PAROTITIS
Complications:
- Orchitis + infertility
- Encephalitis
Management:
- Symptomatic
Rubella:
- Cause
- Presentation
- Complications
- Management
Cause:
- Virus
Presentation:
- Maculopapular rash- face then to body, not itchy in children
- Insignificant fever
- Lymphadenopathy
Complications:
- Microcephaly in foetus if pregnant lady infected
Management:
- self limiting
Herpes Simplex Virus:
- Cause
- Presentation
- Complications
- Management
Cause:
- Virus
Presentation:
- Gingivostomatitis (lesions in mouth)
- Cold sores
- Eczema herpeticum (can lead to septicaemia)
- Herpetic whitlow
Management:
- Acyclovir
Varicella Zoster Virus:
- Cause
- Presentation
- Complications
- Management
Cause:
- Chickenpox virus (is a HSV), very contagious
Presentation: (1-5 y/o)
- initial fever
- vesicular rash (itchy+++)
Complications:
- Shingles in the adult
- Dangerous in immunocompromised- haemorrhagic lesions, DIC
Management:
- Calamine lotion
Epstein- Barr Virus:
- Cause
- Presentation
- Investigations
- Complications
- Management
Cause:
- Virus (HSV)
Presentation:
- Glandular fever;
- fever, malaise
- extreme fatigue
- severe tonsillopharyngitis, lymphadenopathy
- palatal petechiae
Investigations:
- Positive Monospot test
- Atypical lymphocytes
Complications:
- linked to Burkitt’s lymphoma + nasopharyngeal cancer,
Management:
- Symptomatic
Cytomegalovirus:
- Cause
- Presentation
- Complications
- Management
Cause:
- Virus (HSV)
Presentation:
- Asymptomatic
- like EBV (severe tonsillopharyngitis)
- like acute hepatitis
Complications:
- congenital CMV
Management:
- symptomatic or
- ganciclovir
Roseola Infantum:
- Cause
- Presentation
- Management
Cause:
- Virus (HSV, HHV6)
Presentation:
- sudden high fever
- after fever rash
Management:
- Symptomatic
- Ganciclovir
Parvovirus B19:
- Cause
- Presentation
- Complications
- Management
Cause:
- Virus, resp transmission
- infects erythroblastoid red cell precursors in bone marrow
Presentation:
- SLAPPED CHEEK
- fever, malaise
- headache
Complications:
- Aplastic crisis in haemolytic anaemias
- Hydrops fetalis
Management:
- symptomatic
Hand-Foot-and-Mouth:
- Cause
- Presentation
- Management
Cause:
- Coxsackie virus, hand-foot and mouth
Presentation:
- vesicular rash on hands and feet
- ulcers in and around mouth
- mild systemic features
Management:
- resolves itself
What common infections are caused by Staph A?
Gram +ve, in clumps
Scalded skin syndrome (flucloxacillin)
Cellulitis! Abscess, osteomyelitis
What common infections are caused by Strep B?
Septicaemia (GBS+ve), UTI, Pneumonia
What common infections are caused by Strep A?
Sore throat- pharyngitis and tonsillitis
What are the causes of CAP?
+ Management
Strep Pneumoniae
Haemophius Influenzae
Atypical- legionella, chlamydophila, mycoplasma
Staph A
Management: oral amoxicillin, clarithromycin, doxycycline
What are the causes of HAP?
+ Management
Gram -ve bacilli
Pseudonomas
Aminoglycoside IV, cephalosporin, antipseudonomal penicillin
Meningitis/ Encephalitis
- Causes
Inflammation of the meninges/ the brain
Causes
- Viral (most common)- enterovirus, EBV, adenovirus
- Bacterial- Neonates- Strep B
Older- Neisseria Meningitides, Strep Pneumoniae
- HSV for encephalitis
What findings would you see in LP of meningitis or encephalitis
- Raised Lymphocytes
- Raised Protein
- Decreased Glucose
- Cloudy colour if bacterial
What is the presentation of meningitis
Presentation
- fever
- headache
- neck stiffness
- photophobia
- Meningococcal purpural rash
- Bulging fontanel
- Kernig’s sign (pain on leg extension)
- Brudzinski’s sign (hip + knee flexion when flexing neck)
What investigations would you carry out for meningitis
Investigation
- Lumbar puncture- raised lymphocytes/ polymorphs,
raised protein, decreased glucose
+ culture
- FBC with differential count
- Blood culture, throat swabs, urine culture
- Rapid antigen screens or PCR of any samples
What is the management of meningitis?
Viral: Supportive
Bacterial: Ceftriaxone/cefataxime + dexamethasone
Prophylactic rifampicin given to contacts
Meningococcal Septicaemia
Any febrile child with purpuric rash is considered meningococcal septicaemia until proven otherwise!!!!!
- IM BENZYLPENICILLIN in community
- IV cefotaxime or ceftriaxone
What are the complications of meningitis?
- Developmental delay
- Hearing impairment
- Vasculitis/ Infarction–> focal lesions/ CN palsies, seizures
- Subdural effusion/ hydrocephalus
- Cerebral abscess
Kawasaki Disease
- What is it
- Who does it effect
- Presentation
- Differentials
- Investigations
- Complications
- Management
- systemic vasculitis of small-medium arteries, diagnosis made on clinical features alone
- 6 months- 4 years old
Presentation
- irritability + malaise
- prolonged fever
- conjunctivitis
- red and peeling extremities
- red mucous membranes
- strawberry tongue
- high CRP, ESR, and WCC
Differentials
- Scarlet fever
- Measles
- Toxic shock syndrome
- JIA
Investigations
- Bloods- FBC, CRP, WCC, BNP (cardiac stress)
- Urine dip + culture
- ECG
- Echocardiogram
Complications
- Coronary artery aneurysm!!!!!
Management
- Gammaglobulins
- High anti-inflammatory dose of aspirin
What are the 2 stages of allergic response?
Early: within minutes; sneezing, urticaria, angioedema, vomiting, bronchospasm, CV shock
Late: 4-6 hours; nasal congestion, cough and bronchospasm in the lower airway
What is eczema?
- exacerbations
- complications
Atopic dermatitis, very itchy
Erythematous, weeping, crusted
Exacerbated by infection, ingestion of allergen, medication, change in environment, stress
Complications are skin infections (staph a or strep) as a result of damaged skin barrier
What is the management of eczema?
- Avoid irritants/ triggers
- Emollients
- Topical corticosteroids (e.g. 1% hydrocortisone creams)
- Immunomodulators- tacrolimus
What are warts, causes and managements?
Viral- HPV or Poxvirus
Usually disappear naturally, can be treated with salicylic acid, over the counter, or cryotherapy
What is the management of scabies?
benzyl benzoate to patient and all close contacts
What is the presentation of TB in children?
- Persistent fever
- Persistent cough
- Malaise
- Night sweats
- Weight loss
Signs
- CXR- Gohn Complex, calcifications, bilateral lymphadenopathy
- Histopathology: caseous granuloma
- Positive mantoux test or interferon gamma release assays
- positive sputum culture/ gastric washing (ziehl nielson)
What is the management of TB?
Rifampicin (red urine) 6 MONTHS
Isoniazid (burning feet) 6 MONTHS
Pyrazinamide (hepatitis) 2 MONTHS
Ethambutol (optic neuritis) 2 MONTHS
What is whooping cough?
- causes
- symptoms/ presentation
- investigations
- complications
- management
Bordatella Pertussis
Presentation
- coryzal symptoms (catarrh to begin with)
- paroxysmal cough followed by distinctive whoop
- worse at night
- apnoea (child goes blue/ red between coughs)
- epistaxis/ subconjunctival haemorrhage (from coughing)
Investigations
- Pernasal swab culture/ PCR
- FBC- lymphocytosis
Complications
- Pneumonia
- Bronchiectasis
- Seizures
Management
- Macrolides
- prophylaxis for parents
- immunisation!
What are the causes of wheeze in preschool children?
- Recurrent viral wheeze (during viral infections) (up until age 3)
- Multiple trigger wheeze (such as cold, dust, foods -can lead to asthma) (ages 3-6)
- Asthma (continues throughout childhood)
What is asthma?
What is the pathophysiology of asthma?
Chronic inflammatory condition in the lungs caused by a genetic predisposition + atopy + environmental triggers causing;
REVERSIBLE OBSTRUCTED AIRFLOW
Trigger–>
Bronchial inflammation (oedema, mucus production, WC infiltration (mast cells, neutrophils, eosinophils, lymphocytes))–>
Bronchial hyperresponsive–>
Airway narrowing (airflow restriction)–>
Symptoms (wheeze, cough, breathlessness, chest tightness)
What are the symptoms and signs of asthma?
+ investigations
Wheeze (polyphonic)
Cough
Breathlessness
Chest tightness
Diurnal variation- worse at night and morning
Relief between episodes
Positive response to therapy
Investigations
- commonly diagnosed on history and examination
- peak flow (with bronchodilators)
- spirometry (with bronchodilators)
What causes acne?
androgenic stimulation of sebaceous glands and increased sebum
inflammation
What is the management for acne?
Hygiene advice- not to over clean
Lifestyle- healthy diet, don’t pick spots, make up cleansers
Topical retinoid ± benzoyl peroxide
Topical antibiotic
What is the management for asthma?
1st Line: Short Acting Beta 2 Agonist e.g. salbutamol, terbutaline
2nd Line: SABA + Inhaled Corticosteroids (e.g. beclametasone, budesonide)
3rd Line: SABA + ICS + Leukotriene receptor antagonist (e.g. Montelukast SE MENTAL HEALTH)
4th Line: SABA + ICS + LABA (e.g. Salmeterol)
Avoid exacerbators
What is the management of acute asthma?
O SHIMIE
Oxygen Salbutamol Hydrocortisone/ prednisolone Ipratropium Magnesium IV Salbutamol/Aminophylline Escalate care (intubation, ventilaiton etc.)
CO2:
Low- good as they’re compensating
Normal- not good, they’re not offloading enough CO2 for their resp rate
High- Life threatening
Respiratory Syncytial Virus
- what is it
- presentation
- management
Common viral RTI
- cold like symptoms
- mucus
- wheeze
management: conservative
Who is at risk of respiratory failure?
- Preterm/ ex-preterm
- Bronchopulmonary dysplasia!
- Haemodynamicall significant congenital heart disease
- Congenital causes of muscle weakness
- Cystic fibrosis
- Immunodeficiency
What is bronchopulmonary dysplasia?
Chronic lung disease that effects newborns and infants (usually preterm)
From damage caused by mechanical ventilation effect on immature lungs
Manage with oxygen
More susceptible to lung infection
What pathogens commonly cause pharyngitis and tonsilitis?
- Strep A
- EBV
What is otitis media?
- Presentation
- Causative agents
- Management
Inflammation of the middle ear
Common in children due to short eustachian tubes
Presents with ear pain and fever
+ red and bulging tympanic membrane
± pus in the external canal
Recurrent infections in an ear without a patent Eustachian tube, can cause effusion (glue ear) which causes reduced hearing
Caused by: Viruses (RSV, rhinovirus) Bacteria (Pneumococcus, Hib)
Management:
- analgaesia (paracetamol and ibuprofen)
- Amoxicillin if persists
- Grommits for effusion
- Hearing aids
What is ALL?
How does Leukaemia present?
(inc. investigations)
ALL- Acute Lymphoblastic Leukaemia, malignancy of lymphocytic cells (that develop into T cells, B cells, NK cells)
- Aged 2-5
Symptoms caused by disseminated disease;
- fatigue/ malaise/ anorexia
- pallor (anaemia)
- infection
- easy bruising/ petechiae/ nose bleeds
- bone pain
- hepatosplenomegaly
- lymphadenopathy
- mediastinal mass
- headaches/nausea/vomiting
- nerve palsies and enlarged testicles
Investigations:
- Blood film: Low Hb, Thrombocytopenia (low platelets), evidence of leukemic blast cells
- Clotting screen: looking for DIC (low fibrinogen, prolonged prothrombin time (PT/PTT), raised D-dimer)
- Lumbar puncture
- Chest x-ray
What are risk factors of malignancy in children?
- Down’s syndrome
- Immunocompromised (e.g. HIV)
- Family history (retinoblastoma)
What is the management of ALL?
Correct anaemia with blood transfusion
Reduce haemorrhage risk with platelet transfusion
Hydration + allopurinol for renal protection
- Induction- prep (above) + chemotherapy inc steroids until 95% remission
- Intensification/ Consolidation- high intensity chemotherapy
- Continuation/ interim maintenance- moderate dose chemotherapy for 3 years (with prophylactic Ab)
- High dose chemotherapy + bone marrow transplant for relapse
What indicates prognosis of ALL?
- cytogenetics of leukemic cells
- white cell count at presentation (tumour load)
- response to treatment
- patient age (poor is <1 or >10)
What are the types of brain tumours in children?
Astrocytoma- originate from glial cells in the CNS (sometimes benign) ~40%
Medulloblastoma- from the cerebellum (MOST COMMON MALIGNANT) ~20%
Ependymoma- posterior fossa ~8%
Brainstem glioma
Craniopharyngioma
How do CNS tumours present?
Raised ICP: headache, nausea, vomiting, confusion, dizziness, visual disturbances, nystagmus, ataxia
Focal neurological signs (personality change, nerve palsies)
Back pains, limb weakness, bowel/ bladder dysfunction
What is the management of CNS malignancies?
Surgery for most- managing hydrocephaly/ removing lesion
Radio/chemotherapy
What is Lymphoma?
Tumour of Lymphocytic cells (T cells, B cells, NK cells) aggregating within the lymph nodes
What is the most common lymphoma in children vs adolescent?
Children: Non-Hodgkins Lymphoma
Adolescent: Hodgkins Lymphoma
What is the clinical presentation of Hodgkin’s and Non-Hodgkin’s Lymphoma? + whats the difference
h- painless lymphadenopathy, hepatosplenomegaly, ±systemic features (fatigue, sweating, fever, anorexia, pruritus, recurrent infections, anaemia- pallor)
Reed-Sternberg cells on lymph node biopsy in Hodgkin’s
What investigations would you do for ?lymphoma or leukaemia?
- FBC (WCC, Hb, MCV, platelets)
- Clotting screen (?DIC)
- Ferritin
- Blood film (?Leukaemic blast cells)
- LDH
- Lymph node biopsy (?reed sternberg cells)
- Lumbar puncture
- CXR- ?mediastinal lymph node enlargement
- CT scan to assess extent of disease
What is the management of Lymphoma?
- Stage the disease (Ann Arbor)
- Chemotherapy
- Stem cell transplants
Where does a Neuroblastoma arise?
Neural crest cells, classically from adrenal medulla
What is the presentation of a neuroblastoma?
Classically; abdominal mass, but can be wider spread along Sympathetic Nervous System
Abdominal symptoms:
- mass
- pain
- haematuria
- constipation
- htn
- weight loss
What is the presentation of a neuroblastoma?
Classically; abdominal mass, but can be wider spread along Sympathetic Nervous System
Abdominal symptoms:
- mass/ hepatomegaly
- pain
- haematuria
- constipation
- htn
- weight loss
Other symptoms:
- cervical lymphadenopathy
- periorbital bruising
- proptosis
What is Wilm’s tumour and how does it present?
Tumour of embryonic renal tissue (nephroblastoma), common in <5yo
Presents:
- abdominal mass with haematuria
- symptoms of abdominal mass/ general symptoms of malignancy
What is the management of Wilm’s tumour?
Chemotherapy and then resection
±more chemo ± radiotherapy
80% survival
What causes retinoblastoma?
RB1 gene mutation
How does a retinoblastoma present?
- LOSS OF RED REFLEX
- strabismus (cross eyed)
- Visual changes
- eye pain
What are the characteristics or an acute upper airway restriction?
- stridor (rasping sound)
- hoarseness in voice
- barking cough
- dyspnoea
- cyanosis
- chest recessions (subcostal, intercostal, sternal)
What is croup?
Laryngotracheobronchitis
Mucosal inflammation, and increased secretions
+ subglottic oedema causing narrowing of the trachea
What are the causes of croup?
Symptoms?
Viral- Parainfluenza
Symptoms:
- Coryza + fever
- Hoarseness
- barking cough
- stridor
What is the management of laryngotracheobronchitis? (croup)
- Inhalation of warm air STEROIDS++ - dexamethasone - prednisolone - nebulised steroids budesonide
- adrenaline + oxygen if severe
What is croup+ thick airway secretions?
Staph A infection!!!
Manage with IV antibiotics (cefuroxime) and intubation
What is epiglottitis caused by?
How does it present?
What is the management?
Hib, commonly associated with septicaemia
- minimal or no cough
- saliva drooling++
- toxic appearance
- quick onset
- reluctant to speak or swallow
Management
- intubation/ ventilation
- ENT + anaesthetist referral urgent
- Ab