An<unk>  can occur upon contact of a human's body with any source of voltage high enough to cause sufficient current flow through the muscles or hair. The minimum current a human can feel is thought to be about 1 milliampere (mA). 
The current may cause tissue damage or fibrillation if it is sufficiently high. A fatal<unk>  is referred to as<unk> ution.
Electric shock
Spinal shock
Acoustic shock
Neurogenic shock
Obstructive shock
Cardiogenic shock
Distributive shock
Heat stroke