ECG Challenge: AF Patient With Lightheadedness and Rapid Pulse

A 73-year-old man with a history of paroxysmal atrial fibrillation and frequent premature ventricular contractions for which he is taking amiodarone presents to the emergency department with complaints of palpitations and lightheadedness that began 2 hours before presentation. His pulse is noted to be rapid, and a 12-lead ECG is obtained.

Figure 1. Courtesy of Philip J. Podrid, MD.

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Cite this: ECG Challenge: AF Patient With Lightheadedness and Rapid Pulse - Medscape - Jun 30, 2023.