Automatic External Defibrillators are lifesaving devices used by hospitals, doctor's offices, schools and even businesses for cases of cardiac emergency. Many times the AEDs are locked away and spaced evenly throughout a building to provide quick and easy access in case of a heart attack or other emergency. What makes AEDs great is you don't have to have special training to use one.

If a person's heart stops, the AED provides you with all the information necessary to attach the electrodes and operate the machines. There are even some AED machines that can be used by medical professionals that provides various levels of shock and in different patterns.