Cardiomyopathies Quiz: Ace Your Exams

Get ready to dominate your medical and nursing exams by using our dynamic quizzes to elevate your knowledge and increase your confidence. Whether you're gearing up for the USMLE®, COMLEX®, or your next in-class assessment, Osmosis quizzes tackle key topics in pathology, diagnostics, and treatment approaches. By honing in on clinical readiness and decision-making, we make sure the knowledge you gain empowers you both in the classroom and in real-world practice. Jump in and supercharge your exam prep!

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A 23-year-old woman comes to the clinic complaining of progressively worsening fatigue, dyspnea, and lightheadedness for the past 6 months and leg swelling for the last month. She has not had any prior episodes of syncope or chest pain with exertion. Past medical history includes anorexia nervosa. Temperature is 37.2°C (98.9°F), pulse is 90/min, respirations are 22/min, and blood pressure is 100/68 mm Hg. Body mass index is 14.5 kg/m2. Physical examination shows a thin woman in respiratory distress and neck examination shows jugular venous distention. Cardiac auscultation shows a holosystolic blowing murmur that radiates to the axilla and an S3 heart sound that is best heard at the apex in early diastole. A chest x-ray is obtained, and the results are shown below. Which of the following is the most likely explanation for this patient’s findings on cardiac auscultation?  


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