What is an arrhythmia?

An arrhythmia (also called dysrhythmia) is an irregular or abnormal heartbeat. The cardiac rhythm specialist will recommend the treatment depending on the type and severity of the arrhythmia.

Supraventricular tachycardia means arrhythmia originating from the upper 2 chambers of the heart (right and left atrium).


Invasive Therapies

Electrical cardioversion

In patients with persistent atrial arrhythmia like atrial fibrillation, a normal rhythm may not be achieved with drug therapy alone. Resetting the sinus rhythm can be achieved with electrical cardioversion. Cardioversion is performed by the physician in a special room after administration of the short acting anesthesia. An electrical impulse is delivered through your chest wall that synchronizes the heart and allows the normal rhythm to restart. This is mostly a temporary solution and need more medication and/or ablation to maintain the sinus rhythm.

Catheter ablation

During the catheter ablation, radio-frequency electrical energy (RF ablation) is delivered through a catheter to a small area of tissue inside of the heart that causes the abnormal heart rhythm. This energy "disconnects" the pathway of the abnormal rhythm. Ablation can be used to treat most SVTs, atrial flutter, and some atrial and ventricular tachycardias.

Pulmonary vein isolation

In patients with frequent, paroxysmal or persistent atrial fibrillation, isolation of the pulmonary veins is a type of ablation that targets areas thought to cause atrial fibrillation. The goal is to create rings of scar that isolate the foci responsible for triggering atrial fibrillation.


Atrial Flutter

Images and videos of procedure involving multiple atrial flutters


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