Defibrillators - What are Defibrillators? | NHLBI, NIH
https://www.nhlbi.nih.gov/health/defibrillators
WEBJun 6, 2023 · Defibrillators are devices that apply an electric charge or current to the heart to restore a normal heartbeat. If the heart rhythm stops due to cardiac arrest, also known as sudden cardiac arrest (SCA), a defibrillator may help it start beating again. A sudden cardiac arrest is fatal unless treated right away with CPR (cardiopulmonary ... definition
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