Coronary Artery Disease USMLE Step 1 Practice Question
A 61-year-old woman with metastatic pancreatic adenocarcinoma presents with acute right arm weakness. Vital signs: BP 128/76 mmHg, HR 92/min, RR 16/min, Temp 37.2°C, SpO2 98% on room air. She denies fever or chills. Blood cultures remain negative after 48 hours. Transthoracic echocardiography reveals small, sterile vegetations along the mitral valve closure line. Prothrombin time is elevated at 16 seconds. Which of the following is the most likely diagnosis?
Answer choices
- ANonbacterial thrombotic endocarditisCorrect answer
- BAcute infective endocarditis
- CPapillary fibroelastoma
- DLibman Sacks endocarditis
- ERheumatic heart disease
- FMarantic endocarditis associated with chronic rheumatoid arthritis
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