Ventricular activation in the pre-excitation syndrome (Wolff-Parkinson-White)

Seventy cases of pre-excitation were studied by vector translating methods. Certain properties of the delta event are described that are useful in the recognition of this syndrome electrocardiographically. In about half the cases a ventricular conduction defect without QRS-interval prolongation was...

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Bibliographic Details
Published inCirculation (New York, N.Y.) Vol. 18; no. 3; pp. 355 - 366
Main Authors GRANT, R P, TOMLINSON, F B, VAN BUREN, J K
Format Journal Article
LanguageEnglish
Published United States 01.09.1958
Subjects
Cardiovascular Physiological Phenomena
Electrocardiography
Heart Block - physiology
Heart Ventricles
Humans
Old Medline
Pre-Excitation Syndromes
ELECTROCARDIOGRAPHY
HEART BLOCK/physiology
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Summary:Seventy cases of pre-excitation were studied by vector translating methods. Certain properties of the delta event are described that are useful in the recognition of this syndrome electrocardiographically. In about half the cases a ventricular conduction defect without QRS-interval prolongation was demonstrated to have accompanied the pre-excitation. The type of ventricular conduction defect produced depended upon the particular direction of spread of the pre-excitation wave. This and other findings are incompatible with the hypothesis that pre-excitation is due to accelerated atrioventricular conduction and favor the hypothesis that it is due to bridges, whether morphologic or electronic, between atria and ventricles.
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SourceType-Scholarly Journals-1
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ISSN:0009-7322
1524-4539
DOI:10.1161/01.cir.18.3.355