ECG Challenge: A Swimmer With an Irregular Pulse

A 54-year-old woman who swims on a regular basis presents to her primary care provider for a routine physical examination. She has no cardiac history and has no complaints. The only medication she takes is a beta-blocker for migraine headaches. Because her pulse is irregular, a 12-lead ECG is obtained.

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Figure 1. Courtesy of Dr Podrid.

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Cite this: ECG Challenge: A Swimmer With an Irregular Pulse - Medscape - Oct 13, 2017.