Coronary Artery Disease USMLE Step 1 Practice Question
A 70-year-old man with known CAD and prior stent placement 5 years ago presents with recurrent angina. Stress testing shows inducible ischemia. Angiography reveals 85% stenosis in the LAD distal to a patent stent, and 70% stenosis in the RCA. Which finding would support medical management over revascularization for the RCA lesion?
Answer choices
- AThree-vessel disease with left main involvement
- BNo evidence of ischemia in RCA territory on stress imagingCorrect answer
- CEjection fraction of 30%
- DRecent non-STEMI in inferior wall
- EChronic kidney disease with creatinine 2.8
- FFractional flow reserve of 0.78 across the RCA stenosis
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