Document Detail


Experimental cardiac trauma--ballistics of a captive bolt pistol.
MedLine Citation:
PMID:  7463537     Owner:  NLM     Status:  MEDLINE    
Abstract/OtherAbstract:
Cardiac trauma can be experimentally produced by blunt impulsive impact over the cardiac apex in the anesthetized canine. A gradation of myocardial injury, including transient arrhythmia, contusion, and lethal ventricular fibrillation, can be produced by varying the power of the charge in a modified captive bolt pistol. Ballistics experiments were conducted to quantify the velocity, energy, and trajectory of impacts produced by the modified captive bolt pistol using various charges. Correlation of the impact data with the previously reported levels of trauma indicates that a 24 m/s impact with 178 joules of available energy results in lethal ventricular fibrillation with extensive myocardial contusion. Blunt impact at 17 m/s with 102 joules causes serious myocardial injury and at 13 m/s with 67 joules causes minor transient arrhythmia.
Authors:
V K Lau; D C Viano; D B Doty
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Publication Detail:
Type:  Journal Article    
Journal Detail:
Title:  The Journal of trauma     Volume:  21     ISSN:  0022-5282     ISO Abbreviation:  J Trauma     Publication Date:  1981 Jan 
Date Detail:
Created Date:  1981-04-13     Completed Date:  1981-04-13     Revised Date:  2008-11-21    
Medline Journal Info:
Nlm Unique ID:  0376373     Medline TA:  J Trauma     Country:  UNITED STATES    
Other Details:
Languages:  eng     Pagination:  39-41     Citation Subset:  AIM; IM    
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MeSH Terms
Descriptor/Qualifier:
Animals
Dogs
Heart Injuries / complications,  etiology*
Physical Phenomena
Physics
Thoracic Injuries / complications*
Ventricular Fibrillation / etiology
Wounds, Nonpenetrating / complications*

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


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