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 68-year-old woman comes to the clinic complaining of dyspnea on exertion, fatigue, and chest pain. She also states that she has to use 3 pillows at night when she sleeps. Past medical history includes carcinoma of the breast, for which she received surgery and adjuvant radiation therapy but no chemotherapy. Temperature is 37.2°C (98.9°F), pulse is 80/min, respirations are 20/min, and blood pressure is 100/68. Physical exam shows jugular venous distension and bilateral leg edema. Cardiac auscultation shows S3 and S4 heart sounds. Electrocardiogram (ECG) shows low amplitude signals. Which of the following is the most likely cause of this patient’s disease?  


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