AED stands for Automated External Defibrillator. It is a portable medical device used to help people experiencing sudden cardiac arrest by automatically analyzing the heart's rhythm and delivering an electrical shock if needed to restore a normal heartbeat
. AEDs are designed to be user-friendly so that laypersons with minimal or no medical training can use them effectively in emergencies. They provide clear audio and visual instructions to guide the user through the process
. The device detects life-threatening cardiac arrhythmias such as ventricular fibrillation and pulseless ventricular tachycardia and delivers a shock to reset the heart's rhythm. AEDs are commonly found in public places like airports, schools, and government buildings to increase survival rates from sudden cardiac arrest
