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Acute mesenteric ischaemia — ACEM Fellowship MCQ

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HardGI/Abdominal emergenciesAcute mesenteric ischaemiaACEM Fellowship

A 78-year-old woman with atrial fibrillation presents to an Adelaide ED, triage category 2, with severe abdominal pain out of proportion to examination. BP 102/66, HR 118. Lactate is 5.6 mmol/L, WCC 23 and initial abdominal X-ray is nonspecific. What is the most appropriate investigation?

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Correct answer: CCT mesenteric angiography

Severe pain out of proportion, AF and lactate elevation suggest mesenteric ischaemia; CT angiography is the diagnostic test.

Reference: ACEM abdominal emergency curriculum; vascular bowel ischaemia guidance