Perhaps, you have seen an AED in your workplace or in the subway or at the fitness center. AEDs can be found almost everywhere. But many people still don’t know what AED stands for. Well, AED means Automated External Defibrillator. AEDs are especially designed to provide electrical shock to the heart, so that the heart resumes normal heartbeat. The AED is capable of analyzing the heart’s rhythm. Based on the rhythm, it states whether to give a shock, and then charges.