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 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 ...

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 ...