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Cardiac electrophysiologist

Cardiac electrophysiologists are cardiology doctors (cardiologists) who have specialized training in the heart's electrical system. They specialize in diagnosing and treating heart rhythm problems (arrhythmias) such as atrial fibrillation.

Cardiac electrophysiologists are not recognized as a separate medical sub-specialty but are usually certified as cardiologists through the Royal College of Physicians and Surgeons of Canada.