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Abdominal aortic aneurysm — USMLE Step 3 MCQ

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ModerateSurgery (post-operative, follow-up)Abdominal aortic aneurysmUSMLE Step 3

A 72-year-old man has an asymptomatic infrarenal abdominal aortic aneurysm measuring 5.7 cm on ultrasound, confirmed by CT angiography. He has acceptable operative risk. Which of the following would you recommend at the follow-up visit?

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Correct answer: B — Refer for elective aneurysm repair

Asymptomatic infrarenal AAA at or above 5.5 cm in men generally warrants elective repair if operative risk is acceptable.

Reference: Society for Vascular Surgery AAA Guideline