Site of conduction delay in children with catheter-induced right bundle branch block.


Eight cases of catheter-induced right bundle branch block (RBBB) in children during electrophysiologic studies are presented. Recording of right ventricular apical activation time (V-RVA) before and during the conduction delay allowed localization of the block along the course of the right bundle branch system. In the majority of patients, a significant… (More)


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