What is the click to save a life called

What is the name of the shock that saves lives you are asking about? The electric shock to save a life is called: electric defibrillation, or electric cardioversion. In the medical use of electric shock to rescue and treatment of cardiac arrhythmia medical equipment, called cardiac defibrillator, also known as electrical cardioverter. A defibrillator generates a strong, controlled pulse of electrical energy, which acts on the heart to eliminate certain heart rhythm disturbances and restore it to sinus rhythm. This treatment of arrhythmia is called defibrillation or electrical cardioversion.