Child health · UKMLA & AKT
Intestinal malrotation with volvulus
A free high-yield preview for the UKMLA Applied Knowledge Test. Below are the key points to recognise intestinal malrotation with volvulus — the full SA Note notes add investigations, management, complications and 10 practice questions.
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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