Automatic

Fully automated defibrillators analyze the heart's rhythm and deliver a defibrillation shock if commanded by the device software without user intervention. The Fully Automatic version of AEDs were created with the intention of reducing delay in administering defibrillation therapy by lay rescuers who may not be comfortable pressing a shock button. If the AED will be placed in a highly public area where bystanders, or potential rescuers may not be trained, a fully automatic AED may be the best choice.