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PredicateObject
rdf:type
lifeskim:mentions
pubmed:issue
12
pubmed:dateCreated
1993-11-18
pubmed:abstractText
In sustained ventricular tachycardia (VT) unrelated to coronary artery disease, the incidence of reentry with an excitable gap was examined, and rapid pacing was performed to entrain VT in 48 episodes in 42 consecutive patients. Coronary artery disease was excluded by coronary arteriography. The underlying heart diseases were postoperative congenital heart diseases (n = 5), dilated (n = 7) or hypertrophic (n = 4) cardiomyopathy, arrhythmogenic right ventricular dysplasia (n = 6) and miscellaneous heart diseases (n = 5), as well as no demonstrable heart disease (n = 15) in which 8 patients had verapamil-responsive VT. Except for 1 patient with hypertrophic cardiomyopathy, 48 morphologically distinct monomorphic sustained VTs were induced. Twenty-five VTs showed right bundle branch block morphology and 23 left bundle branch block morphology, and VT was entrained in 84 and 96%, respectively. The overall incidence of the entrainment was 89.6% (43 of 48 monomorphic VTs), and the frequency of the ability to entrain VT ranged between 33.3 and 100% in the subgroups. The lowest frequency was found in hypertrophic cardiomyopathy. In conclusion, most inducible monomorphic sustained VT unassociated with coronary artery disease was presumed to be reentry with an excitable gap.
pubmed:language
eng
pubmed:journal
pubmed:citationSubset
AIM
pubmed:chemical
pubmed:status
MEDLINE
pubmed:month
Oct
pubmed:issn
0002-9149
pubmed:author
pubmed:issnType
Print
pubmed:day
15
pubmed:volume
72
pubmed:owner
NLM
pubmed:authorsComplete
Y
pubmed:pagination
916-21
pubmed:dateRevised
2006-11-15
pubmed:meshHeading
pubmed:year
1993
pubmed:articleTitle
Frequency of presumed reentry with an excitable gap in sustained ventricular tachycardia unassociated with coronary artery disease.
pubmed:affiliation
First Department of Internal Medicine, Niigata University School of Medicine, Japan.
pubmed:publicationType
Journal Article, Research Support, Non-U.S. Gov't