Document Detail

Role of the atrioventricular node in atrial fibrillation: what have we learned from radiofrequency catheter modification of the atrioventricular junction in patients with refractory atrial fibrillation?
MedLine Citation:
PMID:  9727688     Owner:  NLM     Status:  MEDLINE    
Determinants of ventricular rate during atrial fibrillation (AF) are controversial. Concealed conduction, summation, rate and irregularity of atrial impulses, pacemaker activity of the AV node, and the electrophysiologic parameters of AV nodal function may all contribute. Findings from series of patients who underwent AV nodal modulation suggest that AV nodal conduction plays some role in the ventricular response to AF. The data are consistent with the presence of dual (or more) atrionodal inputs that play a role in determining AV nodal conduction properties. The data also strongly support the role of summation rather than simple prolongation of refractory periods as a mechanism of ventricular rate control.
E Aliot; N Sadoul; C de Chillou
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Publication Detail:
Type:  Journal Article; Review    
Journal Detail:
Title:  Journal of cardiovascular electrophysiology     Volume:  9     ISSN:  1045-3873     ISO Abbreviation:  J. Cardiovasc. Electrophysiol.     Publication Date:  1998 Aug 
Date Detail:
Created Date:  1998-11-30     Completed Date:  1998-11-30     Revised Date:  2005-11-16    
Medline Journal Info:
Nlm Unique ID:  9010756     Medline TA:  J Cardiovasc Electrophysiol     Country:  UNITED STATES    
Other Details:
Languages:  eng     Pagination:  S132-8     Citation Subset:  IM    
Service de Cardiologie, Hôpital Central, Nancy, France.
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MeSH Terms
Atrial Fibrillation / physiopathology*,  therapy*
Atrioventricular Node / physiopathology*
Catheter Ablation*
Drug Resistance

From MEDLINE®/PubMed®, a database of the U.S. National Library of Medicine

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