Please use this identifier to cite or link to this item: http://hdl.handle.net/2440/39105
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Type: Journal article
Title: Latent Mahaim fiber as a cause of antidromic reciprocating tachycardia: recognition and successful radiofrequency ablation
Author: Davidson, N.
Morton, J.
Sanders, P.
Kalman, J.
Citation: Journal of Cardiovascular Electrophysiology, 2002; 13(1):74-78
Publisher: Futura Publ Co
Issue Date: 2002
ISSN: 1045-3873
1540-8167
Statement of
Responsibility: 
Neil C. Davidson, Joseph B. Morton, Prashanthan Sanders, and Jonathan Kalman
Abstract: The term "Mahaim fiber" usually is applied to an atriofascicular fiber that inserts distally into the right bundle branch and forms the anterograde limb of a reciprocating tachycardia. One of the features that has been used to describe the physiology of Mahaim fibers is the presence of anterograde preexcitation. We describe two patients who had a clinical tachycardia consistent with a "Mahaim tachycardia" in whom there was no evidence or minimal evidence of anterograde preexcitation during sinus rhythm or atrial pacing. In both patients, the tachycardia was rendered noninducible by radiofrequency ablation at the site of Mahaim potentials at the tricuspid annulus, and a long-term cure was achieved. This is the first description of a "latent Mahaim fiber" that does not cause preexcitation but which can support antidromic reciprocating tachycardia.
Keywords: mahaim fiber; radiofrequency ablation; supraventricular tachycardia; diagnostic electrophysiology; atriofascicular connection
Description: ©2002 by Futura Publishing Company, Inc. The definitive version is available at www.blackwell-synergy.com
RMID: 0020071973
DOI: 10.1046/j.1540-8167.2002.00074.x
Published version: http://www.blackwell-synergy.com/doi/abs/10.1046/j.1540-8167.2002.00074.x
Appears in Collections:Medicine publications

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