Unique preferential conduction within the isolated septal substrate in a patient with ventricular tachycardia complicated with non-ischemic dilated cardiomyopathy

Watanabe, Masaya; Yokoshiki, Hisashi; Mitsuyama, Hirofumi; Mizukami, Kazuya; Tsutsui, Hiroyuki

doi:10.1016/j.jelectrocard.2013.03.015


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Unique preferential conduction within the isolated septal substrate in a patient with ventricular tachycardia complicated with non-ischemic dilated cardiomyopathy

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Please use this identifier to cite or link to this item:http://hdl.handle.net/2115/54126

Title:	Unique preferential conduction within the isolated septal substrate in a patient with ventricular tachycardia complicated with non-ischemic dilated cardiomyopathy
Authors:	Watanabe, Masaya Browse this author
	Yokoshiki, Hisashi Browse this author →KAKEN DB
	Mitsuyama, Hirofumi Browse this author
	Mizukami, Kazuya Browse this author
	Tsutsui, Hiroyuki Browse this author →KAKEN DB
Keywords:	Ventricular tachycardia
	Isolated septal substrate
	Non-ischemic dilated cardiomyopathy
Issue Date:	Nov-2013
Publisher:	Churchill livingstone inc medical publishers
Journal Title:	Journal of electrocardiology
Volume:	46
Issue:	6
Start Page:	682
End Page:	685
Publisher DOI:	10.1016/j.jelectrocard.2013.03.015
PMID:	23642904
Abstract:	We describe the case of a 67-year-old woman with non-ischemic dilated cardiomyopathy who underwent successful radiofrequency catheter ablation for ventricular tachycardia (VT) originated from the isolated ventricular septal substrate. Pacemapping exhibited either left, identical to clinical VT, or right bundle branch block like wide QRS morphology. Time interval from the stimulus to QRS onset (St-QRS) was prolonged at the center of the substrate, while St-QRS at the border was shortened. Difference in the morphology of pacemapping was dependent on whether or not the pacing stimulus could propagate directly into the right ventricle due to the possible intramural conduction disturbance. (C) 2013 Elsevier Inc. All rights reserved.
Type:	article (author version)
URI:	http://hdl.handle.net/2115/54126
Appears in Collections:	北海道大学病院 (Hokkaido University Hospital) > 雑誌発表論文等 (Peer-reviewed Journal Articles, etc)

Submitter: 横式尚司

OAI-PMH ( junii2 , jpcoar_1.0 )

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