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www.nytimes.com/1986/08/05/scie...-snakebites.html

This is the article quoted most often as initiating the modern debate over the efficacy of using electric shock as a treatment for snake bite.  The use of electric shock dates back to the 1890s.

"The treatment is delivered through modifications of what are popularly known as stun guns. It comes in the form of four or five high-voltage, low-current electric shocks. Each is painful and lasts one to two seconds. The shocks are given about five to ten seconds apart and are applied as close as possible to the site of the bites of snakes and such venomous insects as scorpions and ants."