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Flashcards in GIT Atresias Deck (10):
1

What is an atresia?

- = Absence or abnormal narrowing of an opening/passage

2

What is wrong in biliary atresia?

- Congenital absence/severe deficiency of extrahepatic biliary tree

3

Consequences of biliary atresia

- Neonatal cholestasis -> cirrhosis -> death
- Portal hypertension

4

When does biliary atresia present?

2w-2mo

5

What is wrong in oesophageal atresia?

inappropriate division of foregut into trachea and oesophagus

6

When is oesophageal atresia detected?

• Antenatal - US, neonate - poor swallowing/aspiration

7

How will you know if an oes atresia is associated with a trache-oes fistula?

• If there is air in the stomach and bowel with oesophageal atresia, implies distal fistula

8

What kind of vomit is usually seen with duodenal atresia?

• Usually bilious vomiting as atresia usually distal to ampulla of vater

9

What is a key feature seen on AXR with duodenal atresia?

- Double bubble sign (gas filled stomach and duodenum, with nothing behind)
- Also seen in duodenal stenosis

10

What conditions are GI atresias often associated with?

• T21
• VACTERL
• Annular pancreas
• Other intestinal atresia