Ablation of a single pulmonary vein arrhythmic focus triggering several supraventricular arrhythmias

Luigi Sciarra, Leonardo Corò, Manuela Bocchino, Nadir Sitta, Elena Marras, Pietro Delise
Italian Heart Journal: Official Journal of the Italian Federation of Cardiology 2004, 5 (12): 946-50
Pulmonary veins are a well-recognized source of focal ectopies that may trigger atrial fibrillation. Many ablative strategies, in particular ablation of the four pulmonary vein ostia, have been developed in order to cure atrial fibrillation. In some patients, the predominant arrhythmia may be an ectopic atrial tachycardia arising from a pulmonary vein and atrial fibrillation may be only a consequence of rapid atrial activation. There is a paucity of data regarding the electrocardiographic and electrophysiological characteristics of pulmonary vein tachycardia and the ablation strategy of this arrhythmia. In the present paper, we describe a case of a young woman with an arrhythmic focus localized in the right superior pulmonary vein with episodes of atrial tachycardia, paroxysmal atrial fibrillation and atrial flutter, who was successfully treated with transcatheter ablation.

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