ECG Challenge: What's Causing This Woman's Slow Pulse?

An 80-year-old woman with a history of hypertension and who is being treated with amlodipine and a beta-blocker presents to her primary care provider for a routine physical examination. Her blood pressure is controlled, and her examination is unremarkable. Her pulse is noted to be slow, and a 12-lead ECG is obtained.

Figure 1.

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Cite this: ECG Challenge: What's Causing This Woman's Slow Pulse? - Medscape - Nov 07, 2022.