Arnold Schwarzenegger is back and better than ever! On Monday, the Terminator star updated his fans via his Arnold's Pump Club newsletter about his most recent heart procedure. In the weekly note, the ...

A pacemaker can help your heart maintain a consistent rhythm. The procedure to insert a pacemaker typically involves a doctor making an incision in the skin that creates a “pocket” where the pacemaker ...

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 ...