Services & Patient Information
An overview of the procedures and programs offered by the London Heart Rhythm Program. Select any procedure to read detailed patient information, or speak with your referring physician to determine which option is right for you.
Procedures
Cardiac Arrhythmia Ablation
Minimally invasive catheter-based procedures that target and treat the sources of abnormal heart rhythms throughout the atria and ventricles.

Atrial Fibrillation (AF) Ablation
Atrial fibrillation (AF) ablation is a procedure used to treat irregular heart rhythms originating in the atria. It involves using specialized catheters to create controlled scar tissue in areas responsible for AF, helping restore a normal heart rhythm. The procedure is performed under sedation or general anesthesia.
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Atrial Flutter Ablation
Atrial flutter ablation is a procedure used to treat an abnormal heart rhythm (atrial flutter) that originates in the atria. The procedure involves using a catheter to apply energy and create scar tissue in specific areas of the heart to interrupt the abnormal electrical circuit responsible for atrial flutter. This procedure has a 95% success rate. A small percentage of patients may require a repeat procedure if atrial flutter recurs.
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Supraventricular Tachycardia (SVT) Ablation
SVT ablation is a procedure used to treat abnormal fast heart rhythms originating above the ventricles. It involves using catheters to locate and eliminate the pathways responsible for triggering SVT. This procedure is highly effective, with a 95% success rate if the arrhythmia is identified. In some cases, no arrhythmia is found, and no ablation is performed.
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Premature Ventricular Contraction Ablation
Premature Ventricular Contractions (PVCs) are extra heartbeats that originate from the ventricles. While often benign, frequent PVCs can cause symptoms such as palpitations, dizziness, or fatigue and may contribute to heart dysfunction. PVC ablation is a procedure used to eliminate these abnormal electrical signals by applying energy to the site of origin.
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Ventricular Tachycardia (VT) Ablation
Ventricular Tachycardia (VT) ablation is a procedure used to treat life-threatening abnormal heart rhythms originating from the ventricles. It involves using catheters to locate and eliminate the electrical circuits responsible for VT. Success rates vary based on the patient's individual circumstances, and some may require repeat procedures.
Learn moreImplantable Devices
Cardiac Device Implantation
A full range of implantable cardiac devices to manage slow heart rhythms, prevent sudden cardiac arrest, and support patients living with heart failure.

Pacemaker
A pacemaker is a small device implanted under the skin to help regulate slow heart rhythms (bradycardia). It sends electrical impulses to stimulate the heart when needed to maintain an appropriate heart rate and rhythm.
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Conduction System Pacemaker
This specialized pacemaker directly stimulates the heart's natural conduction system, aiming for a more physiologic and natural contraction of the heart compared to conventional right ventricular pacing. It is implanted in a similar way to a standard pacemaker, with the lead positioned to capture the heart's conduction fibers.
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Leadless Pacemaker
A leadless pacemaker is a self-contained device implanted directly inside the heart without the need for wires (leads), offering a minimally invasive alternative for select patients. Because there is no chest incision or pocket and no leads, certain complications associated with traditional pacemakers are avoided.
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Implantable Cardioverter Defibrillator (ICD)
An ICD is a device implanted under the skin that continuously monitors your heart rhythm and delivers shocks to correct life-threatening arrhythmias such as ventricular tachycardia or ventricular fibrillation. It can also pace the heart for slow rhythms.
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Cardiac Resynchronization Therapy (CRT)
Cardiac Resynchronization Therapy (CRT) is a specialized pacemaker therapy used to improve heart function in patients with heart failure and electrical conduction abnormalities. CRT helps coordinate (synchronize) the contraction of the heart's two ventricles, improving efficiency and reducing symptoms.
Learn moreInherited Conditions
Genetic Arrhythmia
Specialized testing and studies to diagnose inherited arrhythmia syndromes and guide care for patients and their families.

Drug Infusion Studies
Conducted to assess how a patient's heart responds to specific medications that can unmask inherited arrhythmic syndromes, aiding in diagnosis and risk assessment.

Genetic Testing
Identifies mutations associated with inherited arrhythmia syndromes, helping guide diagnosis, treatment, and family screening for at-risk relatives.
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