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Ruptured abdominal aortic aneurysm — RCPSC EM MCQ

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ModerateGI/Abdominal emergenciesRuptured abdominal aortic aneurysmRCPSC EM

A 68-year-old man has epigastric pain radiating to the back and syncope. BP 86/54, HR 124, abdomen is tender with a pulsatile mass, haemoglobin is 91 g/L, and bedside ultrasound shows a 7.2 cm aorta. What is the most likely diagnosis?

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Correct answer: A — Ruptured abdominal aortic aneurysm

Shock, abdominal/back pain, pulsatile mass and a markedly dilated aorta indicate ruptured AAA.

Reference: Canadian vascular surgery and emergency ultrasound practice standards