A 64-year-old man with a history of coronary artery disease, treated medically with a beta-blocker and a long-acting nitrate, presents to his cardiologist for a routine physical examination. His pulse is noted to be irregular and a 12-lead ECG is obtained.
![](https://img.medscapestatic.com/thumbnail_library/msr_231211_ecg57_690x388.jpg)
Figure 1. Courtesy of Philip J. Podrid, MD.
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Cite this: ECG Challenge: Is Heart Disease Causing This Man's Irregular Pulse? - Medscape - Dec 22, 2023.
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