Aortic valve disease 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 70-year-old man comes to the emergency department for evaluation of dyspnea, dizziness, and associated chest pain. He became more concerned when he was walking up stairs and suddenly “passed out.” His medical history includes type 2 diabetes mellitus, for which he takes metformin. He smoked one pack per day for forty years but does not use excessive alcohol or illicit drugs. His temperature is 37.0°C (98.6°F), pulse is 80/min, and blood pressure is 139/75 mmHg. On physical examination, a systolic murmur is appreciated over the right sternal border, which decreases with sustained hand grip. Which of the following is the most likely underlying cause of this patient's condition? 

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