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...

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...