More than one week after going under the knife to get a 'machine part' installed, the 'Terminator: Dark Fate' actor playfully attaches a dynamite timer to his chest. AceShowbiz - Arnold Schwarzenegger ...

Former NYC Mayor David Dinkins is recovering at a Manhattan hospital following heart surgery Thursday. The 81-year-old underwent a procedure to install a pacemaker after he had trouble breathing on ...

A pacemaker is an electric medical device that’s generally about the size of a matchbox. A surgeon implants it under your skin to help manage irregular heartbeats called arrhythmias. Pacemakers can ...

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 ...