Defibrillators and pacemakers help the heart maintain a regular rhythm. Defibrillators deliver a shock if the heart goes into arrhythmia. Pacemakers use electrical impulses to keep the heart from ...

Defibrillators use electrical shocks to restore a normal heart rate, especially in cases of life threatening arrhythmias or sudden cardiac arrest, while pacemakers use low-energy electrical pulses to ...

AEDs, or public defibrillators, are designed to be used by anyone. Try to stay calm and follow the directions that the device gives you. Share on Pinterest Aria sandi Hasim/Getty Images A ...