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Peripheral artery disease — ABFM Board MCQ

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EasyCardiovascularPeripheral artery diseaseABFM Board

A 68-year-old man with a 40-pack-year smoking history reports calf pain after walking two blocks that resolves with rest. Pedal pulses are diminished. There is no leg swelling or back pain. Which of the following is the most appropriate next step?

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Correct answer: C — Measure the ankle-brachial index

Exertional calf pain relieved by rest suggests intermittent claudication. An ankle-brachial index is the appropriate initial diagnostic test.

Reference: American Family Physician clinical reviews and AAFP guidance: https://www.aafp.org/pubs/afp.html