1. stop the fibrillation and restore normal contractions, usually by means of electric shocks; - Example: "The patient's heart had to be defibrillated to save his life"
WordNet (r) 3.0 (2006):
defibrillate
v 1: stop the fibrillation and restore normal contractions,
usually by means of electric shocks; "The patient's heart
had to be defibrillated to save his life"