Coronary Artery Disease USMLE Step 1 Practice Question
A 34-year-old male heavy smoker presents with severe pain in his fingers and toes. Vital signs show BP 118/76, HR 92, RR 16, temp 37°C, SpO2 98%. Examination reveals distal extremity ischemia, superficial thrombophlebitis, and several small ulcerations on his digits. Doppler ultrasound shows segmental arterial occlusions in distal vessels. No cardiac murmurs are appreciated. He denies cocaine use. Which of the following is the most likely diagnosis?
Answer choices
- ARaynaud phenomenon
- BGiant cell arteritis
- CPolyarteritis nodosa
- DTakayasu arteritis
- EThromboangiitis obliteransCorrect answer
- FAntiphospholipid syndrome
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