Please use this identifier to cite or link to this item: http://hdl.handle.net/2440/60806
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Type: Journal article
Title: Role of spiral wave pinning in inhomogeneous active media in the termination of atrial fibrillation by electrical cardioversion
Author: Kuklik, P.
Wong, C.
Brooks, A.
Zebrowski, J.
Sanders, P.
Citation: Computers in Biology and Medicine, 2010; 40(3):363-372
Publisher: Pergamon-Elsevier Science Ltd
Issue Date: 2010
ISSN: 0010-4825
1879-0534
Statement of
Responsibility: 
Pawel Kuklik, Christopher X. Wong, Anthony G. Brooks, Jan Jacek Żebrowski, Prashanthan Sanders
Abstract: Atrial fibrillation is the most common type of arrhythmia to affect humans. One of the treatment modalities for atrial fibrillation is an electrical cardioversion. Electrical cardioversion can result in one of three outcomes: an immediate termination of arrhythmic activity, a delayed termination or unsuccessful termination. The mechanism of delayed termination is unknown. Here we present a model of an atrial fibrillation as a coexistence of several spiral waves pinned to the inhomogeneities in active media. We show that in inhomogeneous system delayed termination can be explained as the unpinning of a spiral wave from inhomogeneities and its termination after collision with the edge of the system.
Keywords: Excitable media; Spiral wave pinning; Electrical cardioversion; Atrial fibrillation; Arrhythmia mechanisms
Rights: © 2010 Elsevier Ltd. All rights reserved.
RMID: 0020095079
DOI: 10.1016/j.compbiomed.2010.02.001
Appears in Collections:Medicine publications

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