Review
doi: 10.1016/j.ccep.2015.10.006.
Epub 2016 Jan 13.
Narrow Complex Tachycardia: What is the Mechanism?
Affiliations
- PMID: 26920172
- DOI: 10.1016/j.ccep.2015.10.006
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Review
Narrow Complex Tachycardia: What is the Mechanism?
Card Electrophysiol Clin.
2016 Mar.
Abstract
This article presents a diagnostic dilemma in which atrioventricular nodal reentrant tachycardia (AVNRT) and junctional tachycardia (JT) were differentiated based on tachycardia initiation with atrial extrastimulus as well as on the response to progressive decremental atrial extrastimuli. The progressive increase in A2H2' and H2H2' in response to atrial extrastimuli favors reentry as the mechanism of the tachycardia. This is a novel mechanistic differentiation of AVNRT from focal JT.
Keywords: Atrioventricular nodal reentrant tachycardia; Catheter ablation; Junctional tachycardia.
Copyright © 2016 Elsevier Inc. All rights reserved.
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