Differentials for Bilious vomiting

Question 1

What age does Duodenal atresia present?

Answer 1

Few hours after birth

Question 2

How is diagnosis of duodenal atresia made?

Answer 2

“Double bubble” sign on abdominal x ray

Question 3

At what age does malrotation with volvulus present?

Answer 3

3-7 days after birth. Can have compromised circulation - peritoneal signs

Question 4

What age does Necrotising Enterocolitis present?

Answer 4

Usually second week of life

Question 5

How is NE diagnosed?

Answer 5

Dilated bowel loops on abdominal x ray

Pneumatosis and portal venous air

Question 6

How does meconium ileus present?

Answer 6

In first 24-48 hours of life with abdominal distension and bilious vomiting