Vice President Dick Cheney's routine checkup on Friday revealed no new blockages in his heart, but doctors said he needs a new battery for a special pacemaker he has in his chest, a spokeswoman said.

In a short operation yesterday, surgeons replaced the pacemaker of a 115-year-old Baltimore man. The battery in the original one, implanted when John E. Bell was 104, had run out. Because of his ...

Elizabeth described the fear of another failure as “like having a gun against your head”. She said: "I just want people to be ...

Researchers at Rice University and the Texas Heart Institute have created the internal components for a battery-free pacemaker, designed to be inserted directly into the heart and free of wires. The ...

A way of using heartbeats to power pacemakers has been developed that could spare patients the ordeal of repeated surgery. The implanted devices, which regulate heart rhythm, have saved countless ...