Heart Failure USMLE Step 1 Practice Question
A 29 year old woman with a childhood history of an unrepaired congenital heart defect now reports progressive dyspnea and cyanosis. Examination shows digital clubbing and a loud P2. Hemoglobin is 19.2 g/dL. Echocardiography demonstrates severe pulmonary hypertension and reversal of a longstanding left to right shunt. Which of the following is the most likely diagnosis?
Answer choices
- APatent ductus arteriosus
- BEisenmenger syndromeCorrect answer
- CCoarctation of the aorta
- DVentricular septal defect
- EAtrial septal defect
- FPrimary pulmonary arterial hypertension without underlying shunt
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