Approach to bradycardia 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 64-year-old man presents to the emergency department with a one-week history of recurrent syncope. The patient states that the episodes occur when he shaves or wears a tie. The patient has not had any chest pain, shortness of breath, or recent changes in medications. Past medical history is significant for hypertension that is well-controlled with amlodipine. The patient smokes one pack of cigarettes daily. Temperature is 36.8°C (98.2°F), blood pressure is 130/80 mmHg, pulse is 56/min, respiratory rate is 18/min, and oxygen saturation is 96% on room air. Auscultation of the carotid arteries reveals no bruits. The remainder of the physical examination, including the neurological exam, is unremarkable. Which of the following is the most likely diagnosis?  

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