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Bundle Branch Reentrant Tachycardia in Patients with Apparent Normal His‐Purkinje Conduction: The Role of Functional Conduction Impairment by YI‐GANG LI; GERIAN GRÖNEFELD; CARSTEN ISRAEL; FRANK BOGUN; STEFAN H. HOHNLOSER is a Medicine article available to read on EtoBox.

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**Bundle Branch Reentry Due to Functional His‐Purkinje Block.** __Introduction:__ His‐Purkinje conduction delay, manifested by bundle branch block QRS complex configuration or by HV interval prolongation, is considered an essential condition for maintenance of bundle branch reentrant tachycardia (BBRT). __Methods and Results:__ Of 178 patients with different types of ventricular tachycardia (VT), 13 were found to have BBRT as the underlying electrophysiologic mechanism. Of these 13 patients (9 men and 4 women; mean age 64 ± 13 years), 6 had an HV interval ≤55 msec (group A), and 7 had a prolonged HV interval (>55 msec; group B) during sinus rhythm (SR). PR interval (169 ± 32 vs 339 ± 138 msec, P = 0.01) and QRS duration (116 ± 17 vs 167 ± 29 msec, P = 0.003) during SR were significantly shorter in group A than in group B. In group A, the HV interval was significantly longer during VT than during SR (73 ± 18 vs 47 ± 7 msec, P = 0.007). There were more patients with functional His‐Purkinje block (split His potentials, a jump of HV interval induced by programmed atrial stimulation or burst pacing) or phase 3 block in group A than group B (6/6 patients vs 0/7 patients, P < 0.001). Succ

Who reads Bundle Branch Reentrant Tachycardia in Patients with Apparent Normal His‐Purkinje Conduction: The Role of Functional Conduction Impairment?

Author

YI‐GANG LI; GERIAN GRÖNEFELD; CARSTEN ISRAEL; FRANK BOGUN; STEFAN H. HOHNLOSER

Publisher

John Wiley and Sons; Wiley (Blackwell Publishing); Futura Publishing Company, Inc; Blackwell Publishing Inc.; Wiley (ISSN 1540-8167)

Published

2002

Language

EN

Field

Medicine (Health Sciences)