Document Detail

The frontal plane QRS loop in the normal heart and in diaphragmatic myocardial infarction.
MedLine Citation:
PMID:  14010788     Owner:  NLM     Status:  MEDLINE    
The efferent limb of the frontal plane QRS loop of the vectorcardiogram was studied quantitatively in 100 normal subjects and in 50 patients with electrocardiographic QRS evidence of diaphragmatic infarction. Efferent limb analysis consisted of determination of the position of the .02-second and maximal vectors in the triaxial reference frame and of the ratio born by the magnitude of the .02-second vector to that of the maximal vector. This ratio was not found to be greater than 0.16 in the normal heart with clockwise loop inscription and a superiorly directed .02-second vector. When 20 patients with only ST-T changes of diaphragmatic infarction in the electrocardiogram were similarly studied, 13 showed significant QRS loop evidence of this infarction.
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Publication Detail:
Type:  Journal Article    
Journal Detail:
Title:  Canadian Medical Association journal     Volume:  89     ISSN:  0008-4409     ISO Abbreviation:  Can Med Assoc J     Publication Date:  1963 Jul 
Date Detail:
Created Date:  1963-12-01     Completed Date:  1998-11-01     Revised Date:  2010-06-22    
Medline Journal Info:
Nlm Unique ID:  0414110     Medline TA:  Can Med Assoc J     Country:  Not Available    
Other Details:
Languages:  eng     Pagination:  47-55     Citation Subset:  OM    
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MeSH Terms
Myocardial Infarction*

From MEDLINE®/PubMed®, a database of the U.S. National Library of Medicine

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