How to perform transvenous electrical cardioversion in horses with atrial fibrillation

Electrical cardioversion of atrial fibrillation is a well-established technique for restoration of sinus rhythm in humans. While transthoracic cardioversion is more commonly used, transvenous electrical cardioversion (TVEC) has been reported as having higher efficacy at substantially lower energy le...

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Published inJournal of veterinary cardiology Vol. 7; no. 2; pp. 109 - 119
Main Authors McGurrin, M. Kimberly J., Physick-Sheard, Peter W., Kenney, Daniel G.
Format Journal Article
LanguageEnglish
Published Netherlands Elsevier B.V 01.11.2005
Subjects
Atrial fibrillation
Defibrillator
Equine
Transvenous electrical cardioversion
Equine
Transvenous electrical cardioversion
Atrial fibrillation
Defibrillator
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Summary:Electrical cardioversion of atrial fibrillation is a well-established technique for restoration of sinus rhythm in humans. While transthoracic cardioversion is more commonly used, transvenous electrical cardioversion (TVEC) has been reported as having higher efficacy at substantially lower energy levels. In horses, treatment of atrial fibrillation has essentially been limited to the administration of quinidine salts either orally or intravenously. TVEC provides an alternative to quinidine salts, especially for those animals in which quinidine is neither effective nor tolerated. The present report details this technique in horses, discusses possible complications of the procedure, and provides guidance for successful outcome. Still and video images are used to illustrate details with regard to TVEC techniques in horses. Please view supplemental material for the videos.
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ISSN:1760-2734
1875-0834
DOI:10.1016/j.jvc.2005.09.001