Sounds like a horrible way to die.
http://vitals.msnbc.msn.com/_news/2011/10/07/8212715-shocking-ending-implanted-defibrillators-can-bring-misery-to-final-hours“My friend got quite confused,” he explains. “She didn’t understand why he was jumping around when it looked like he was no longer breathing. His body looked like it was jumping off the bed. It was very upsetting to watch.”