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Pacing Clin Electrophysiol. 1994 Sep;17(9):1569-76.

Sinus node modification using radiofrequency current in a patient with persistent inappropriate sinus tachycardia.

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Division of Cardiology of Gould/Sutter Medical Foundation, Modesto, CA 95355.


Radiofrequency catheter modification of the sinus node for persistent inappropriate sinus tachycardia has not been previously reported. This article describes a patient in whom radiofrequency current was used to ablate an incessant automatic tachycardia focus mapped to the region of the sinus node, where a discrete multicomponent electrogram demonstrating earliest atrial activation was recorded. A transient junctional rhythm developed immediately after ablation, with rapid subsequent emergence of a stable rhythm having normal sinus nodal characteristics.

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