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Demonstration of Entrainment and Presence of Slow Conduction During Ventricular Tachycardia in Arrhythmogenic Right Ventricular Dysplasia
Author(s) -
YAMABE HIROSHIGE,
OKUMURA KEN,
TSUCHIYA TAKESHI,
YASUE HIROFUMI
Publication year - 1994
Publication title -
pacing and clinical electrophysiology
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 0.686
H-Index - 101
eISSN - 1540-8159
pISSN - 0147-8389
DOI - 10.1111/j.1540-8159.1994.tb01369.x
Subject(s) - medicine , arrhythmogenic right ventricular dysplasia , cardiology , ventricular tachycardia , entrainment (biomusicology) , sustained ventricular tachycardia , tachycardia , heart failure , cardiomyopathy , rhythm
During VT in two cases with arrhythmogenic right ventricular dysplasia, entrainment criteria, constant fusion beats except for the last entrainment beat, progressive fusion, and a localized conduction block associated with interruption of VT, were demon strated with rapid ventricular pacing performed during VT. Furthermore, a long conduction interval was present during entrainment from the pacing site to the earliest activation site during VT. indicating the presence of a slow conduction area. VT in these cases was, thus, due to reentry with an area of slow conduction within the circuit.