Heart Failure USMLE Step 1 Practice Question
A 67-year-old man with hypertension controlled on lisinopril presents with bilateral calf claudication after walking two blocks, relieved by rest. Vital signs show BP 158/92 mmHg, HR 88/min, RR 16/min. Physical examination reveals diminished dorsalis pedis pulses bilaterally and shiny, hairless skin over both shins. Ankle-brachial index is 0.62 on the right. Cardiac examination shows no murmurs or gallops. Which of the following is the most likely diagnosis?
Answer choices
- ASyphilitic thoracic aortic aneurysm
- BAbdominal aortic aneurysm
- CThromboangiitis obliterans
- DAortic dissection
- EPeripheral arterial diseaseCorrect answer
- FDeep venous thrombosis causing venous claudication
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