Catheter Ablation In The Management Of Supraventricular Arrhythmias

The optimal management of an individual patient depends on many factors, including the type, frequency and duration of arrhythmia, associated symptoms, concomitant disease, and patient preference. Therapeutic options for patients with supraventricular arrhythmias include pharmacologic agents, arrhythmia surgery, and catheter ablation. With the exception of Wolff-Parkinson-White syndrome (WPW), supraventricular arrhythmias are generally not life-threatening. Therefore, the inherent attractiveness of catheter ablation as a curative approach must be tempered with the cost and potential complications associated with an invasive procedure.

From the perspective of catheter ablation, supraventricular arrhythmias can be broadly classified into two groups: paroxysmal supraventricular tachycardias (PSVT), which require the AV node for perpetuation, including accessory pathway-mediated tachycardias; and arrhythmias that are confined to the atrium and do not require the atrioventricu-lar (AV) node for perpetuation.

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