A defibrillator is a life-saving device used to treat life-threatening cardiac arrhythmias, such as ventricular fibrillation and pulseless ventricular tachycardia. It delivers a controlled electrical shock to the heart, restoring a normal heartbeat. There are various types of defibrillators, including automated external defibrillators (AEDs) for public use and manual defibrillators used in hospitals. Quick and effective use of a defibrillator can significantly increase the chances of survival in cardiac
