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[Transcatheter radiofrequency bundle branch ablation in bundle branch reentry ventricular tachycardia: report of a
G Gherarducci1, R De Ponti, J A Salerno-Uriarte
1Istituto di Cardiologia, Università degli Studi, Pisa.
Cardiologia (Rome, Italy)
|April 1, 1996
Abstract:
Two patients with branch to branch ventricular tachycardia (BBVT) are reported: successful radiofrequency catheter ablation of BBVT was performed in both, delivering energy distally to the point where the maximum amplitude of His deflection occurred, so that a wide ventricular deflection was obtained without any atrial electrogram. No significant conduction delay appeared but a right bundle branch block. HV intervals during BBVT resulted equal or longer than in sinus rhythm: whether this was secondary to anatomical or functional variations or to the possibility that the His bundle may be "bystander" in BBVT, is discussed.