Child health · UKMLA & AKT
Intestinal malrotation with volvulus
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
- Intestinal malrotation describes incomplete 270° counterclockwise midgut rotation, creating a narrow mesenteric base and Ladd's bands - setting the conditions for midgut volvulus, where the entire midgut twists around the superior mesenteric artery (SMA) causing ischaemia within hours.
- Occurs in ~1 in 500 live births; 75-80% of symptomatic cases present in the first month of life
- Associated with heterotaxia, congenital diaphragmatic hernia, gastroschisis, omphalocele, and congenital heart disease
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