Vascular Disease USMLE Step 1 Practice Question
A 54-year-old woman presents with a 6-month history of progressive right leg swelling and dull pain that worsens throughout the day but improves with leg elevation and ambulation. She reports a history of right lower extremity deep vein thrombosis 2 years ago following a long international flight, which was treated with anticoagulation for 6 months. On examination, she has 2+ pitting edema of the right leg, reddish-brown discoloration around the medial malleolus, multiple dilated telangiectasias, and prominent varicose veins in the right calf. Vital signs are stable. Which of the following is the most appropriate diagnostic test to confirm the suspected diagnosis?
Answer choices
- AAnkle-brachial pressure index
- BD-dimer assay
- CDuplex ultrasonography of the right lower extremityCorrect answer
- DComputed tomography angiography of the right lower extremity
- EMagnetic resonance venography
- FNerve conduction studies of the lower extremities
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