Paediatrics Flashcards
Aetiology of Meckel Diverticulum
Ileal remnant of vitello-intestinal duct
What type of tissue does Meckel Diverticulum contain?
Ectopic gastric mucosal pancreatic tissue
Presentation of Meckel Diverticulum
Mostly asymptomatic
Severe rectal bleeding, intussusception, volvulus, diverticulitis
Investigation of Meckel Diverticulum
Technetium scan
Management of Meckel Diverticulum
Surgical resection
Aetiology of Biliary atresia
Extra-hepatic bile ducts obliterated by inflammation and fibrosis –> biliary obstruction –> jaundice
Presentation of Biliary atresia
Jaundice
FTT
Conjugated hyperbilirubinaemia
How is Biliary atresia diagnosed?
Liver histology
Management of Biliary atresia
Surgery
Presentation of Duodenal atresia
Polyhydramnios
Persistent billious vomiting, within hours of birth
Investigation of Duodenal atresia
Can diagnose on USS
Double bubble sign on x-ray
Which genetic condition is Duodenal atresia associated with?
Trisomy 21- Down’s Syndrome
Management of Duodenal atresia
Surgery
Define Gastro-oesophageal reflux
Non-forceful regurgitation of milk and other gastric contents into the oesophagus
Aetiology of GORD
Incompetent sphincter at the Gastro-Oesophageal junction
Risk factors for GORD in children
Prematurity
Hiatus hernia
Presentation of GORD in children
Epigastric pain
Recurrent regurgitation/vomiting
Episodes of choking
FTT
How is GORD diagnosed?
Clinically
Management of GORD in children?
Thickened feeds, alginate formula
PPI/H2 receptor antagonist
Fundoplication
Which sign is seen on x-ray in Duodenal atresia?
Double bubble sign
At what age does Cow’s milk protein allergy usually present?
< 1 year old
Types of Cow’s milk protein allergy
IgE or non-IgE
How can a breast-fed baby present with Cow’s milk protein allergy?
It can be a reaction to mum’s consumption of Cow’s milk
How does Cow’s milk protein allergy present?
IgE: within 2 hours; skin itchy, V+D, wheeze, cough
Non-IgE: within hours/days; atopic eczema, reflux, constipation/diarrhoea, FTT
Diagnosis of Cow’s milk protein allergy
IgE: skin prick test
Non-IgE: exclusion + see
Management of Cow’s milk protein allergy
Hydrolysed/elemental formula
Anti-histamines for acute IgE
What is the typical appearance of stool in Toddler’s Diarrhoea?
Peas and carrots
1st stool of day large, then others small
At what age does Toddler’s Diarrhoea typically present?
6-20 months
Usually resolves by age 5
Management of Toddler’s Diarrhoea
Adequate fat and fibre to slow gut
What is Gastroschisis?
Bowel protrudes through a defect in the anterior abdominal wall, no covering sac
Risk of dehydration and protein loss
Management of Gastroschisis
Abdomen wrapped in film to protect
NG tube aspirated
IV dextrose infusion
Surgery
What is the difference between Gastroschisis and Exomphalos?
Exomphalos is covered by a sac, Gastroschisis is not
What is Exomphalos?
Abdominal contents protrude through the umbilical ring, transparent sac formed by amniotic membrane and peritoneum
Management of Exomphalos
Surgery
At what age does Pyloric Stenosis typically present?
2-8 weeks old
Presentation of Pyloric Stenosis
Projectile vomiting, not bile-stained (as above ampulla of vater)
Weight loss, FTT, hungry after feeds
Visible gastric peristalsis, palpable abdominal mass
How is Pyloric Stenosis diagnosed?
USS abdomen
What electrolyte abnormalities are seen in Pyloric Stenosis?
Vomiting –> Hypokalaemia, hypochloraemia
Metabolic alkalosis
Management of Pyloric Stenosis
Rehydration + electrolytes
Ramstedt’s pylorotomy
What is the most common location for Intussusception?
Proximal bowel into distal bowel
Ileum into caecum via the ileo-caecal valve
What is the most common age of presentation of Intussusception?
3 months - 2 years
Presentation of Intussusception
Severe colicky abdominal pain, draws knees up to chest, pale, screaming in pain, vomiting (may become billious)
Redcurrent jelly stool
RLQ sausage-shaped mass
In which condition is redcurrent jelly stool and a RLQ sausage-shaped mass seen?
Intussusception
How is Intussusception diagnosed?
Abdominal USS
- Target sign
What is seen on Abdominal USS in Intussusception?
Target sign
Management of Intussusception
Rectal air insufflation
Aetiology of Intestinal Malrotation
Congenital anomaly of rotation of the midgut –> obstruction –> volvulus –> infarction
At what age does intestinal malrotation typically present?
Day 1-7