Coronary Artery Disease USMLE Step 1 Practice Question
A 45 year old woman reports episodic shortness of breath, dizziness, and weight loss. On cardiac auscultation, an early diastolic sound is heard followed by a murmur that changes with body position. Echocardiography shows a pedunculated mass attached to the interatrial septum that prolapses through the mitral valve orifice. Which of the following is the most likely diagnosis?
Answer choices
- ALeft atrial myxomaCorrect answer
- BRhabdomyoma
- CPapillary fibroelastoma
- DFibroma
- EMetastatic melanoma
- FAngiosarcoma of the right atrium
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