ECG Challenge: Runner With an Irregular Beat

Philip J. Podrid, MD


July 01, 2019

A 45-year-old woman who runs on a regular basis undergoes a routine physical examination. She has no known cardiac disease but has mild hypertension for which she is taking hydrochlorthiazide. An irregular pulse is noted, and a 12-lead ECG is obtained.

Figure 1. Courtesy of Dr Podrid


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