A defibrillator is what?
ventricular tachycardia, or no pulse, or ventricular fibrillation are two potentially lethal arrhythmias that can be stopped with the use of a defibrillator, which shocks your heart with electricity to return it to a normal rhythm. The ventricles or bottom chambers of your heart are the site of both of these arrhythmias. Read More: defibrillatore