If your heart beats too slowly or gets out of rhythm, a pacemaker can send an electrical pulse to that muscle and get it back on track. To do that, pacemakers need generators with batteries, and ...

A new power scheme for cardiac pacemakers turns to an unlikely source: vibrations from heartbeats themselves. A new power scheme for cardiac pacemakers turns to an unlikely source: vibrations from ...

Implantable heart pacemakers are lifesaving devices for heart patients, emitting electrical pulses to re-establish normal ...

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.

Atrial fibrillation – a form of irregular heartbeat, or arrhythmia – leads to more than 454,000 hospitalizations and nearly 160,000 deaths in the United States each year. Globally, it is estimated ...

The newest, smallest pacemaker comes with no strings attached—literally. A research team at Rice University, the Texas Heart Institute and Baylor College of Medicine recently created a heartbeat ...