Delayed radiofrequency ablation efficacy in slow pathway ablation: a case report.

ABSTRACT:

Background

The delayed effect of radiofrequency (RF) ablation was described in cases of accessory pathway and premature ventricular contraction ablation, as well as delayed atrioventricular (AV) block after slow pathway ablation.

Case summary

We report a case of a female patient with AV nodal re-entry tachycardia (AVNRT), in whom the first electrophysiology study ended with acute failure of slow pathway ablation, despite using long steerable sheath, both right and left-sided ablation with >15 min of RF energy application and repeatedly achieving junctional rhythm. Six weeks afterwards, during scheduled three-dimensional electroanatomical mapping procedure, there was no proof of dual AV nodal conduction nor could the tachycardia be induced. Also, the patient did not have palp

SUBMITTER: Zeljkovic I 

PROVIDER: S-EPMC7859601 | biostudies-literature | 2021 Feb

REPOSITORIES: biostudies-literature