Successful Radiofrequency Energy Ablation of Automatic Junctional Tachycardia Preserving Normal Atrioventricular Nodal Conduction

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Abstract
Automatic junctional tachycardia is frequently refractory to medical management and difficult to treat with nonpharmacoJogical methods. A 12‐year‐old female with symptomatic, refractory automatic junctional tachycardia is reported. Earliest atrial activation during supraventricular tachycardia was in the posterior portion of the intraatrial septum. The patient underwent electrophysiological study and successful radiofrequency current ahiation of the ectopic automatic focus within the atrioventricuiar junction. Normal atrioventricular junctional conduction was maintained, and at 7‐month foJlow‐up the patient has been free of tachycardia.

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