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Ruptured AAA — MCCQE Part 1 MCQ

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ModerateAbdominal PainRuptured AAAMCCQE Part 1

A 60-year-old man with known 5.8cm infrarenal AAA has sudden severe abdominal/back pain. Diaphoretic, BP 85/55, HR 120. Pulsatile abdominal mass. Most appropriate next step?

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Correct answer: B — Emergent surgical repair (open or endovascular)

Known AAA + triad (pain, hypotension, pulsatile mass) = ruptured AAA. Surgical emergency. Permissive hypotension (SBP 70-80) preferred over aggressive fluids. CTFPHC: one-time AAA screening US for men 65-80.

Reference: Canadian Society for Vascular Surgery / CTFPHC