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Taser Blunt Probe Dart-To-Heart Distance Causing Ventricular Fibrillation in Pigs

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8 Author(s)
Jiun-Yan Wu ; Dept. of Electr. & Comput. Eng., Univ. of Wisconsin, Madison, WI ; Hongyu Sun ; O'Rourke, A.P. ; O'Rourke, A.P.
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The maximum distance between the heart and a model Taser stimulation dart, called the dart-to-heart distance, at which the Taser can directly cause ventricular fibrillation (VF), was measured in pigs. A 9-mm-long blunt probe was advanced snugly through the surrounding tissues toward the heart. Five animals [pig mass = 61.2plusmn6.23 standard deviation (SD) kg] for ten dart-to-heart distances where the Taser caused VF were tested. The dart-to-heart distances where the Taser caused VF of the first stimulation site ranged from 4 to 8 mm with average 6.2 mmplusmn1.79 (SD) and of the second stimulation site ranged from 2 to 8 mm with average 5.4 mmplusmn2.41 (SD). The results help inform the evolving discussion of risks associated with Tasers.

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Biomedical Engineering, IEEE Transactions on  (Volume:55 ,  Issue: 12 )