Vascular Disease USMLE Step 1 Practice Question
A 63-year-old obese woman with hypertension presents with progressive ankle edema worsening by evening and brown discoloration around the medial malleolus. She reports aching leg pain relieved by elevation. Vital signs show BP 152/88 mmHg, HR 78/min, RR 14/min, temperature 37°C, SpO2 98% on room air. Distal pulses are intact bilaterally. Duplex ultrasound shows normal deep venous system. She takes lisinopril and amlodipine daily. Which of the following is the most likely diagnosis?
Answer choices
- AAcute arterial embolism
- BAortic dissection
- CBuerger disease
- DChronic venous insufficiencyCorrect answer
- EPeripheral arterial disease
- FLymphedema secondary to obesity
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