Document Detail

Ventricular activity during atrial fibrillation. Studies with His bundle electrography.
MedLine Citation:
PMID:  1078297     Owner:  NLM     Status:  MEDLINE    
His bundle electrograms were recorded in 12 patients with atrial fibrillation. In all cases but one, the dominant rhythm was atrial fibrillation. In 1 case the dominant rhythm was fascicular tachycardia due probably to digitalis overdosage. However ventricular, fascicular and junctional beats could be often recognized on His bundle tracings, even when QRS configuration was similar to supraventricular conducted beats due to atrial fibrillation. In the patients in whom sinus rhythm occurred, the H-V interval was unchanged. Although it is admitted that during atrial fibrillation the zone of concealment of A-V conduction is in the A-V nodal area, concealed penetration of atrial impulses in the fascicular system may be encountered in patients not treated with digitalis.
S Gavrilescu; C Luca
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Publication Detail:
Type:  Journal Article    
Journal Detail:
Title:  Angiology     Volume:  27     ISSN:  0003-3197     ISO Abbreviation:  Angiology     Publication Date:  1976 Nov 
Date Detail:
Created Date:  1988-04-18     Completed Date:  1988-04-18     Revised Date:  2004-11-17    
Medline Journal Info:
Nlm Unique ID:  0203706     Medline TA:  Angiology     Country:  UNITED STATES    
Other Details:
Languages:  eng     Pagination:  634-44     Citation Subset:  IM    
Department of Internal Medicine and Cardiology, Institute of Medicine, Timisoara, Romania.
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MeSH Terms
Atrial Fibrillation / physiopathology*
Bundle of His / physiopathology*
Heart Conduction System / physiopathology*
Heart Ventricles / physiopathology*
Middle Aged

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