Vascular Disease USMLE Step 1 Practice Question
A 45-year-old woman with a 30 pack-year smoking history presents with claudication in her right lower extremity that develops after walking approximately 50 meters. She reports the pain resolves completely with rest. Physical examination reveals diminished femoral pulses bilaterally, absent popliteal pulses, and bruits audible over both iliac arteries. Blood pressure is 148/92 mmHg in both arms. Ankle-brachial indices are 0.62 on the right and 0.68 on the left. She denies rest pain, skin ulceration, or color changes. Which of the following is the most likely diagnosis?
Answer choices
- ATakayasu arteritis
- BLeriche syndrome (aortoiliac occlusive disease)Correct answer
- CThromboangiitis obliterans (Buerger's disease)
- DAtherosclerotic disease isolated to the superficial femoral artery
- EFibromuscular dysplasia of the renal arteries
- FPopliteal artery entrapment syndrome
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