Paediatrics Flashcards
Risk factors for neonatal sepsis
Previous baby with GBS Current GBS colonisation Current bacteriuria Intrapartum temperature >38 Membrane rupture for over 18 hours Evidence of maternal chorioamnionitis
Early onset neonatal sepsis usually caused by
Group B strep
Management for neonatal sepsis
IV benzylpenicillin with gentamycin
Measure and monitor CRP
Maintain adequate oxygen sats, fluid and electrolytes and glucose
Management for neonatal meningitis
Cefotaxime and acyclovir
Diagnosis of neonatal respiratory distress syndrome
CXR with ground glass appearance with indistinct heart border
Tachypnoea, intercostal recession, expiratory grunting and cyanosis
Treatment for neonatal respiratory distress syndrome
Maternal corticosteroids during pregnancy if possible
Post-natal oxygen, assisted ventilation, exogenous surfactant
When do adequate amounts of surfactant begin to be produced?
35 weeks
Treatment of neonatal seizures
Check glucose, turn on side to prevent aspiration risk
1st line- phenobarbital as slow injection
2nd line- phenytoin
Can use benzodiazepines
Features of necrotising enterocolitis
Abdominal distention Bilious vomiting Faecal occult blood Temperature instability Lethargy Discolouration Mucosal sloughing DIC
Diagnosis of Necrotising Enterocolitis
Abdo XR for pneumatosis intestinalis
Treatment of necrotising enterocolitis
NBM
NGT
IV antibiotics
Referral to surgery
Features of meconium aspirate syndrome
Resp distress Airway obstruction Pulmonary vasoconstriction Persistent pulmonary hypertension Infection Chemical pneumonitis Pneumothorax
Transient tachypnoea of the newborn management
Oxygen to maintain saturations
Usually settles within 24 hours
Jaundice <24 hours is always
Pathological
Measure serum bilirubin to determine management
Causes of early jaundice <24 hours
Sepsis
Rhesus incompatibility
ABO incompatibility
Red cell anomalies- hereditary spherocytosis or G6PD
What is kernicterus?
Severe hyperbilirubinaemia and acute bilirubin encephalopathy sequalae
Causes of pysiological jaundice 2-14 days
Usually physiological- accelerated breakdown of RBC, decreased excretory capacity and low activity of UDPGT
Management of jaundice 2-14 days
Monitor unconjugated bilirubin levels and monitor for kernicterus
Phototherapy
Exchange transfusions using warmed blood via umbilical vein
IVIg if haemolytic disease
Causes of prolonged jaundice- >14 days
Unconjugated- same as early causes and UTI, Crigler-Najjar and Gilbert’s
Conjugated- hypothyroidism, biliary atresia, cystic fibrosis
Omphalocele vs gastroschisis
Omphalocele- sealed abdominal contents protruding through the umbilical ring
Gastroschisis- no covering of peritoneum
Features of congenital diaphragmatic herniation
Difficulty resuscitating at birth Respiratory distress Bowel sounds in one hemithorax Cyanosis Pulmonary hypoplasia
Hirschsprung disease clinical features
Delayed passage of meconium >48 hours
Abdo distension
Tight anal sphincter
Explosive discharge of stool and gas
Diagnosis of Hirschsprung disease
Rectal suction biopsy of aganglionic section
Treatment of Hirschsprung’s disease
Excision and colostomy
Cyanotic cardiac malformations
All the Ts
Tetralogy of Fallot
Transposition of the great arteries
Tricuspid valve abnormalities
Patent ductus arteriosus signs
Continuous machinery murmur, left subclavicular thrill, wide pulse pressure
Patent ductus arteriosus treatment
Indomethacin/ ibuprofen to inhibit prostaglandin production and close the duct
Tetralogy of Fallot
Large ventricular septal defect
Pulmonary valve stenosis
Right ventricular hypertrophy
Overriding aorta
‘boot shaped heart’ on CXR
Pyloric stenosis clinical features
Projectile non-bilious vomiting
Hungry after feed- alert and anxious
Dehydration and electrolyte imbalance
Weight loss
Usually 2-8 weeks
Visible gastric peristalsis after test feed
Palpable olive shaped pyloric mass (from the hypertrophic pyloric sphincter muscle)
Pyloric stenosis electrolyte imbalance
Hypochloraemic, hypokalaemic metabolic acidosis
Diagnosis of pyloric stenosis
Test feed
USS abdomen
Management of pyloric stenosis
IV rehydration and correction of electrolyte imbalance
Ramstedt pyloromyotomy once stabilised
Start feeding 6 hours post operation
Clinical presentation of GORD
Onset usually before 8 weeks and tends to resolve by 12 months
Regurgitation of feed, heartburn, epigastric pain, cough, hoarseness, distressed behaviour when feeding
Failure to thrive
Red flags when diagnosing GORD
Persistent regurgitation after 12 months Onset after 6 months Faltered growth Haematemesis Bilious vomiting Projectile vomiting Abdominal mass/distension Chronic diarrhoea Melaena
Management of GORD
Breast feeding advice + omeprazole Smaller and more frequent feeding Gavison Enteral tube feeding Nissen Fundoplication
Markers of dehydration in the neonate
Increased thirst Reduced skin turgor Dry mucous membranes Sunken fontanelle and eyes Reduced urine output Tachycardia Tachypnoea Cool extremities Prolonged capillary refill
IV fluid resuscitation regimen for neonates
First 10kg 100mL/kg
Second 10kg 50mL/kg
subsequent kg 20mL/kg
IgE-mediated cow’s milk protein allergy vs non IgE-mediated
IgE mediated within 20-30 mins, up to 2 hours
Non-IgE mediated 2-72 hours after exposure
Infant colic clinical features and management
Arching back, drawing knees up
Inconsolable crying
Paroxysmal, worse in the evening
Excessive flatus
Reassurance and treatment of any other causes- Cow’s milk protein allergy or GORD
Age of Toddler’s diarrhoea
Between 1 and 5 years old
Clinical features of coeliac disease
Profound malabsorption after introduction of wheat to the diet Failure to thrive Abdominal distension Buttock wasting Non-specific GI symptoms Irritability Anaemia with iron +/- folate deficiency
Investigations for coeliac disease
IgA tissue tranglutaminase antibodies and total IgA
Consider IgG endomysial antibodies if total IgA is deficient
HLA genetic test and endoscopic biopsy
What does a jejunal biopsy show in coeliac disease?
Lymphocytic infiltration and villous atrophy
Disimpaction of constipation stepwise management
- Polyethylene glycol- Movicol and electrolytes
- Senna- stimulant laxative
- +/- lactulose (osmotic)
- Sodium citrate enema
Review within 1 week
Continue maintenance therapy
Commonest serious respiratory infection of infancy
Bronchiolitis
80% caused by respiratory syncytial virus
Supportive treatment for infants with bronchiolitis
Humidified oxygen via nasal cannulae if sats <92% OA
If respiratory failure then CPAP
Cannot tolerate oral feeding then NG or IV fluids if not able to tolerate NG
Treatment for high risk infants with bronchiolitis
Palivizumab
Antibiotic treatment of pneumonia
Amoxicillin first line, macrolide added if no response
If mycoplasma or chlamydia is suspected then macrolide
Influenza then use co-amoxiclav
Most likely cause of a bacterial pneumonia in children?
Strep pneumoniae
What is an abnormal fractional exhaled nitric oxide
Above 35ppb
CENTOR criteria
Tonsillar exudate
Tender anterior cervical lymphadenopathy
Absence of cough
Fever >38 degrees
Infectious mononucleosis maculopapular rash exacerbated by
Antibiotics particularly penicillin
Scarlet fever caused by
Group A streptococcus =
Strep pyogenes
Clinical presentation of scarlet fever
Fever lasting 24-48 hours Punctuate erythematous rash- sandpaper texture Desquamation Strawberry tongue Tender adenopathy
Clinical presentation of Kawasaki disease
Mucocutaneous lymphadenopathy High grade fever for >5 days, resistant to antipyretics Widespread maculopapular rash Strawberry tongue, red or cracked lips Desquamation Painless lymphadenopathy
Management of Kawasaki disease
High dose aspirin
Echocardiogram screening for coronary artery aneurysms
Clinical features of measles
Conjunctivitis
Fever
Koplik spots on the buccal membrane
Rash- starting behind the ears and spreading to the whole body- discrete maculopapular rash that becomes blotchy and confluent
Complications of measles
Otitis media- most common Pneumonia- most common cause of death Encephalitis Sub-acute sclerosing panencephalitis- 10 years later Febrile convulsions
Mumps clinical features
Fever
Malaise
Myalgia
Unilateral progressing to bilateral parotitis
Complications of mumps
Orchitis
Hearing loss
Meningoencephalitis
Pancreatitis
Erythema infectiosum clinical features
Lethargy
Fever
Headache
‘Slapped cheek’ rash
Cause of erythema infectiosum
Synonyms
Parvovirus B19
Slapped cheek or 5th disease
6 in 1
Diphtheria Tetanus Pertussis Polio Hib Hep B
Childhood vaccination schedule
6 in 1 at 2,3,4 Then at 1 give HiB once more (4 in 1) Rotavirus at 2 and 3 If it divides by 2 give Men B If it divides by 3 give PCV
MMR at 1 and 40 months (with HiB, Men C, Men B, PCV at 1)
HPV at 12-13 y/o
Men ACWY at 14 y/o
Management of laryngotracheobronchitis (croup)
Stat dose of oral dexamethasone 0.15mg/kg
+/- nebulised adrenaline
Supportive treatment
Causative agent of epiglottitis
H. influenzae type B
What is the combined test for Down’s screening?
nuchal translucency measurement + serum beta HCG + PAPP-A
High HCG
Low PAPP-A
Thickened nuchal measurement
Most common cardiac abnormalities in Down’s syndrome
ASD 40%
VSD 30%
Patau syndrome
Trisomy 13
Features of microcephaly, small eyes, cleft palate, polydactyly
IUGR, neural tube defects
Median survival <3 days
Edward’s syndrome
Trisomy 18
Features micrognathia, rockerbottom feet, overlapping of fingers, low set ears
Turner syndrome
45 XO Widely spaced nipples, broad shield chest, webbed neck short statue, may be normal intellect, wide carrying angle Subfertility Sexual developmental issues Coarctation of the aorta
Fragile X syndrome
Most commonly inherited caused of intellectual disability in males
Macrocephaly, long face, large ears, macro-orchidism
What is secondary nocturnal enuresis?
Involuntary discharge of urine in a child older than 4 when they have been dry for a period of at least 6 months previously
Management of enuresis
Conservative- look for trigger, advise on fluid intake, diet and toileting behaviour, reward systems for dry nights/ using the toilet before bed
Medical- Enuresis alarm 1st line for children <7
Desmopressin 1st line for children >7, particularly if enuresis alarm has been ineffective or for short term control