Automated External Defibrillator application is helpful in emergency situation. User can locate defibrillator devices nearby. A person with defibrillator machine registers device in this application with location of machine with status available or busy. In situation of emergency like heart-attack, application user can find defibrillator device nearby his/her location, also can contact to person who registered device. These defibrillator devices are available to authorised person like doctors and Medical field related person. And they will help you as well when you contact them using application.