Most recent answer: 02/25/2015
- David Ridgeway (age 47)
We are not medical doctors here so take our answers with a grain of salt.
What I gather from , is that DC defibrillation is really not a DC current but a momentary discharge of a capacitor that has been charged up by a DC source. The actual current is a sharp spike that resets the heart beat.
The lethal current varies all over the map depending on the magnitude and duration. To add to the confusion the body's skin resistance also varies depending on wetness, area of contact, etc. see However, it would seem to me that a 12 Volt source is not particularly dangerous, unless, the mechanic's hands are wet.
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(published on 02/25/2015)