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 ...
HARRISBURG, Pa. (KDKA) - Pennsylvania Lt. Gov. John Fetterman, a top Democratic candidate for U.S. Senate, underwent a procedure to implant a pacemaker with a defibrillator after he had a stroke.
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