A 68-year-old man with a history of paroxysmal atrial fibrillation (treated with sotalol) is seen by his primary care provider for a routine physical examination. As part of the examination, a 12-lead ECG is obtained for measurement of the QT/QTc intervals.
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Cite this: ECG Challenge: Is This an Effect of AFib Treatment? - Medscape - Apr 02, 2018.