Valvular Heart Disease USMLE Step 1 Practice Question
A 31-year-old woman with systemic lupus erythematosus presents with dyspnea and palpitations. Vital signs show BP 128/82 mmHg, HR 102 bpm, RR 18/min, temp 37.2°C, SpO2 98% on room air. Physical examination reveals a new systolic murmur at the apex; no fever noted. Echocardiography demonstrates small sterile vegetations on both mitral valve leaflets. ESR is elevated at 68 mm/hr. Blood cultures remain negative. Which diagnosis best explains these findings?
Answer choices
- ALibman Sacks endocarditisCorrect answer
- BPapillary fibroelastoma
- CInfective endocarditis due to viridans streptococci
- DAcute rheumatic valvulitis
- ENonbacterial thrombotic endocarditis associated with malignancy
- FMarantic endocarditis associated with systemic lupus erythematosus
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