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Cardiac Arrhythmia Service

Clinics Our team Procedures Resources Research Fellowship

The Cardiac Arrhythmia Service helps people who have heart rhythm problems. Our specialty clinics include:

  • A clinic for patients with atrial fibrillation
  • A clinic for patients with pacemakers or defibrillators (ICDs)
  • An assessment clinic for people who may need an implantable defibrillator or a pacemaker
  • A general arrhythmia clinic for all other heart rhythm disorders including genetic or inherited arrhythmias

Our service also provides advanced diagnostic testing and procedures at St. Michael’s including:

  • Electrophysiologic study and catheter ablation for heart rhythm disorders including atrial fibrillation, atrial flutter, WPW, WVT and VT
  • Implantation of cardiac implantable electronic devices including a pacemaker or defibrillator
  • Cardioversion for atrial fibrillation or flutter
  • Drug challenge testing for Brugada syndrome

Cardiac Arrhythmia Service at St. Michael's Hospital

7th Floor Donnelly Wing (Robert McRae Heart Health Unit)
Fax: 416-864-5348
Monday to Friday, 8 a.m. to 4 p.m.


Clinics & Services

The Arrhythmia Clinic serves patients with different types of heart rhythm problems to provide treatment options for their arrhythmia.

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Last updated November 23, 2023