Child health · UKMLA & AKT
Hirschsprung disease
A free high-yield preview for the UKMLA Applied Knowledge Test, covering how to recognise this condition. The full SA Note notes add investigations, management and complications, with practice questions on this topic.
Key high-yield points
- Failure to pass meconium within 48 hours of birth - classic presentation; normal neonates pass meconium within 24-48 hours
- Abdominal distension - progressive, due to stool and gas accumulating proximal to obstruction
- Bilious vomiting - sign of distal intestinal obstruction
- Explosive passage of stool on rectal examination - highly characteristic; withdrawal of finger releases functional obstruction
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