Valvular Heart Disease USMLE Step 1 Practice Question
A 48-year-old woman with mitral valve prolapse presents with sudden-onset severe dyspnea. Vital signs show BP 92/58, HR 118, RR 28, SpO2 88% on room air. Physical examination reveals a new holosystolic murmur radiating to the axilla. Echocardiography demonstrates acute left ventricular dilatation and a flail mitral leaflet. She denies recent chest trauma. She takes no cardiac medications. What acute valvular complication has most likely occurred?
Answer choices
- ARupture of the chordae tendineaeCorrect answer
- BLeft atrial myxoma embolization
- CLeaflet perforation from endocarditis
- DPapillary muscle hypertrophy
- EAcute aortic stenosis
- FSpontaneous coronary artery dissection with acute mitral regurgitation
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