NDLI: A novel mechanism for electrical currents inducing ventricular fibrillation: The three-fold way to fibrillation

Content Provider	IEEE Xplore Digital Library
Author	Kroll, M.W. Panescu, D. Hinz, A.F. Lakkireddy, D.
Copyright Year	2010
Description	Author affiliation: TASER Intl, Scottsdale, AZ, USA (Hinz, A.F.) \|\| Biomedical Engineering at the University of Minnesota, Minneapolis, 55454, USA (Kroll, M.W.) \|\| University of Kansas Hospital, KS, USA (Lakkireddy, D.) \|\| NewCardio, Santa Clara, CA 95054, USA (Panescu, D.)
Abstract	It has been long recognized that there are 2 methods for inducing VF (ventricular fibrillation) with electrical currents‥ These are: (1) delivering a high-charge shock into the cardiac T-wave, and (2) delivering lower level currents for 1–5 seconds. Present electrical safety standards are based on this understanding. We present new data showing a $3^{rd}$ mechanism of inducing VF which involves the steps of delivering sufficient current to cause high-rate cardiac capture, causing cardiac output collapse, leading to ischemia, for sufficiently long duration, which then lowers the VFT (VF threshold) to the level of the current, which finally results in VF. This requires about 40% of the normal VF-induction current but requires a duration of minutes instead of seconds for the VF to be induced. Anesthetized and ventilated swine (n=6) had current delivered from a probe tip 10 mm from the epicardium sufficient to cause hypotensive capture but not directly induce VF within 5 s. After a median time of 90 s, VF was induced. This $3^{rd}$ mechanism of VF induction should be studied further and considered for electrical safety standards and is relevant to long-duration TASER $^{®}$ Electronic Control Device applications.
Starting Page	1990
Ending Page	1996
File Size	1403671
Page Count	7
File Format	PDF
ISBN	9781424441235
ISSN	1557170X
DOI	10.1109/IEMBS.2010.5627490
Language	English
Publisher	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Publisher Date	2010-08-31
Publisher Place	Argentina
Access Restriction	Subscribed
Rights Holder	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Subject Keyword	Electric shock Heart Probes Current density Humans Electronic mail Animals
Content Type	Text
Resource Type	Article
Subject	Signal Processing Biomedical Engineering Health Informatics Computer Vision and Pattern Recognition

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1	Ministry of Education (GoI), Department of Higher Education	Sanctioning Authority	https://www.education.gov.in/ict-initiatives
2	Indian Institute of Technology Kharagpur	Host Institute of the Project: The host institute of the project is responsible for providing infrastructure support and hosting the project	https://www.iitkgp.ac.in
3	National Digital Library of India Office, Indian Institute of Technology Kharagpur	The administrative and infrastructural headquarters of the project	Dr. B. Sutradhar bsutra@ndl.gov.in
4	Project PI / Joint PI	Principal Investigator and Joint Principal Investigators of the project	Dr. B. Sutradhar bsutra@ndl.gov.in Prof. Saswat Chakrabarti will be added soon
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