defibrillator
/diˈfɪbrəˌleɪtər/
noun
- A medical device that delivers an electric shock to the heart to restore a normal heartbeat during cardiac arrest or arrhythmia.
- The stadium installed an automated external defibrillator near the first aid station.
- Many public places now have a defibrillator available for emergencies.
- The doctor used a defibrillator to shock the patient's heart back into rhythm.