| The Brody effect and change of volume of the heart. | |
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MedLine Citation:
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PMID: 3973523 Owner: NLM Status: MEDLINE |
Abstract/OtherAbstract:
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A simple model study2 is used to compare the relative contributions to the surface ECG of the "Brody effect"1 and positional changes of the heart when the heart volume changes. In certain studies, such as exercise, it is the change in heart volume and its effect on the surface ECG which is of interest. This paper suggests that when the heart volume changes the extent to which it is accompanied by positional change will strongly influence the surface voltage change; the surface voltage may in fact increase or decrease with volume increase. This may explain some of the controversy surrounding the influence of volume change on the surface signal. |
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Authors:
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J N Amoore |
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Publication Detail:
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Type: Journal Article; Research Support, Non-U.S. Gov't |
Journal Detail:
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Title: Journal of electrocardiology Volume: 18 ISSN: 0022-0736 ISO Abbreviation: J Electrocardiol Publication Date: 1985 Jan |
Date Detail:
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Created Date: 1985-04-05 Completed Date: 1985-04-05 Revised Date: 2009-11-11 |
Medline Journal Info:
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Nlm Unique ID: 0153605 Medline TA: J Electrocardiol Country: UNITED STATES |
Other Details:
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Languages: eng Pagination: 71-5 Citation Subset: IM |
Export Citation:
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| MeSH Terms | |
Descriptor/Qualifier:
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Blood Physiological Phenomena* Blood Volume Cardiac Output* Cardiac Volume* Electrocardiography / methods* Heart Conduction System / physiology* Humans Mathematics Myocardial Contraction Stroke Volume* Ventricular Function |
From MEDLINE®/PubMed®, a database of the U.S. National Library of Medicine
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