Document Detail

Complete atrioventricular block with QRS complexes of variable amplitude.
MedLine Citation:
PMID:  2254707     Owner:  NLM     Status:  MEDLINE    
Nonrespiratory QRS amplitude variations related to PR interval length were observed in a case of complete atrioventricular (AV) block with narrow QRS complexes. This electrocardiographic pattern was studied, taking into consideration the greater deflection of the ventricular complexes (R- or S-wave) on each standard lead and by analyzing three groups of QRS (A, B, C) divided in relation to the different timing of the atrial systole. A significant variation appears in the entity of the mitral flow, as assessed by Doppler echocardiography evaluation, related to PR interval length, and a significant inverse correlation was found between QRS variability and ventricular diastolic filling.
M Curione; R L Putini; R Iulianella; M Puletti
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Publication Detail:
Type:  Case Reports; Journal Article    
Journal Detail:
Title:  Journal of electrocardiology     Volume:  23     ISSN:  0022-0736     ISO Abbreviation:  J Electrocardiol     Publication Date:  1990 Oct 
Date Detail:
Created Date:  1991-01-24     Completed Date:  1991-01-24     Revised Date:  2009-11-11    
Medline Journal Info:
Nlm Unique ID:  0153605     Medline TA:  J Electrocardiol     Country:  UNITED STATES    
Other Details:
Languages:  eng     Pagination:  365-8     Citation Subset:  IM    
Department of Internal Medicine, Coronary Care Unit, University of Rome, La Sapienza, Italy.
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MeSH Terms
Atrioventricular Node / physiopathology
Echocardiography, Doppler
Heart Block / diagnosis*,  ultrasonography
Stroke Volume / physiology

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