Heart Failure USMLE Step 1 Practice Question
A 30-year-old woman presents 2 months postpartum with progressive dyspnea, orthopnea, and bilateral lower extremity edema. Vital signs show BP 128/82 mmHg, HR 102 bpm, RR 18/min, and SpO2 98% on room air. She denies chest pain or recent cocaine use. Echocardiography demonstrates dilated left ventricle with ejection fraction of 25%, global hypokinesis, and normal coronary arteries on angiography. Troponin is normal. Which of the following is the most likely diagnosis?
Answer choices
- AHeart failure with reduced ejection fraction
- BConstrictive pericarditis
- CCardiac tamponade
- DDilated cardiomyopathyCorrect answer
- ERestrictive cardiomyopathy
- FPeripartum cardiomyopathy
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