Unusual features of right and left idiopathic ventricular tachycardia abolished by radiofrequency catheter ablation

Two unusual cases are presented with idiopathic right and left ventricular tachycardia (IVT) with intriguing clinical and electrophysiological characteristics. The first patient with a sustained IVT of right ventricular outflow tract origin, and an electrophysiological mechanism suggesting reentry,...

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Bibliographic Details
Published in:Pacing and clinical electrophysiology 1998-09, Vol.21 (9), p.1831-1834
Main Authors: Chiladakis, J A, Vassilikos, V, Maounis, T, Cokkinos, D V, Manolis, A S
Format: Article
Language:English
Subjects:
Adult
Bundle-Branch Block - physiopathology
Bundle-Branch Block - surgery
Cardiac Pacing, Artificial
Catheter Ablation
Death, Sudden, Cardiac - prevention & control
Electrocardiography, Ambulatory
Heart Ventricles - physiopathology
Heart Ventricles - surgery
Humans
Male
Risk Factors
Signal Processing, Computer-Assisted
Tachycardia, Ventricular - physiopathology
Tachycardia, Ventricular - surgery
Ventricular Dysfunction, Left - physiopathology
Ventricular Dysfunction, Left - surgery
Ventricular Dysfunction, Right - physiopathology
Ventricular Dysfunction, Right - surgery
Ventricular Premature Complexes - physiopathology
Ventricular Premature Complexes - surgery
Online Access:Get full text
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Summary:Two unusual cases are presented with idiopathic right and left ventricular tachycardia (IVT) with intriguing clinical and electrophysiological characteristics. The first patient with a sustained IVT of right ventricular outflow tract origin, and an electrophysiological mechanism suggesting reentry, had been resuscitated from cardiac arrest. The second patient had an IVT with a left bundle branch block morphology, which originated from the basal-septal region of the left ventricle (left ventricular outflow tract tachycardia). Both patients were cured with radiofrequency catheter ablation, guided by endocardial activation sequence and pace mapping.
ISSN:0147-8389
DOI:10.1111/j.1540-8159.1998.tb00288.x