Cardiopulmonary resuscitation (CPR) was administered, and paramedics attempted to defibrillate him with electric shocks. Paramedics attempted to defibrillate Russert's heart three times, but he did not respond. Thirteen and Taub discover that she has no pulse and defibrillate her. Intravascular spring or coil electrodes are used to defibrillate. Vignesh's health begins to deteriorate and the doctors attempt to defibrillate him.