Document Detail


Cardiac Changes Due to Electronic Control Devices? A Computer-Based Analysis of Electrical Effects at the Human Heart Caused by an ECD Pulse Applied to the Body's Exterior.
MedLine Citation:
PMID:  24712742     Owner:  NLM     Status:  Publisher    
Abstract/OtherAbstract:
Electronic control devices (ECDs) deliver high-voltage, low-current energy pulses temporarily paralyzing a person. For the ECD-human interaction, we have developed a computer model using the SEMCAD program within which to simulate the electrical effects throughout the body resulting from the imposition of an ECD pulse at a particular point on the body surface. Our human body models were based on cross-sectional MRIs and CT scans, with the dielectric properties of the various tissues assigned based on previously published values. We simulated the application of a single ECD pulse and calculated the resulting electric field strength and current and charge densities at different body locations. The results were compared with corresponding values obtained by other researchers in similar simulations. Furthermore, we simulated an application of a pulse of 20-millisecond duration equal to the European household current of 50 Hz and to the ventricular fibrillation threshold. The resulting current level indicated at the heart muscle was 1/5 the level considered the threshold for triggering ventricular fibrillation.
Authors:
Sebastian N Kunz; Julia Aronshtam; Hans-Rolf Tränkler; Sybille Kraus; Matthias Graw; Oliver Peschel
Publication Detail:
Type:  JOURNAL ARTICLE     Date:  2014-4-8
Journal Detail:
Title:  Journal of forensic sciences     Volume:  -     ISSN:  1556-4029     ISO Abbreviation:  J. Forensic Sci.     Publication Date:  2014 Apr 
Date Detail:
Created Date:  2014-4-9     Completed Date:  -     Revised Date:  -    
Medline Journal Info:
Nlm Unique ID:  0375370     Medline TA:  J Forensic Sci     Country:  -    
Other Details:
Languages:  ENG     Pagination:  -     Citation Subset:  -    
Copyright Information:
© 2014 American Academy of Forensic Sciences.
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