A Wide Complex Tachycardia with Changing Atrial Activation Sequence
Article first published online: 16 MAR 2011
©2011, The Authors. Journal compilation ©2011 Wiley Periodicals, Inc.
Pacing and Clinical Electrophysiology
Volume 36, Issue 1, pages e23–e26, January 2013
How to Cite
AYOU, R., AGARWAL, S., TANG, A. and STERNS, L. D. (2013), A Wide Complex Tachycardia with Changing Atrial Activation Sequence. Pacing and Clinical Electrophysiology, 36: e23–e26. doi: 10.1111/j.1540-8159.2011.03050.x
- Issue published online: 9 JAN 2013
- Article first published online: 16 MAR 2011
- Manuscript Accepted: 6 DEC 2010
- Manuscript Revised: 6 NOV 2010
- Manuscript Received: 22 JUL 2010
Change of the retrograde atrial activation sequence during radiofrequency (RF) ablation of left-side accessory pathway can be due to another accessory pathway, another mechanism for the tachycardia, or due to intraatrial conduction block, partial or complete, caused by RF delivery to a site proximal to the site of insertion of the accessory pathway. In this case report, a temporary complete intraatrial conduction block was created by RF delivery proximal to the site of accessory pathway insertion, causing a change in the retrograde atrial activation sequence during ongoing tachycardia that was terminated by ablation at the insertion site of accessory pathway.
(PACE 2013; 36:e23–e26)