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 ...

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

After Emily Coles suddenly collapsed at home, she had to put her life on hold while doctors investigated the cause. Emily now knows that her heart had stopped beating for ten seconds, but at the time ...

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 ...

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 ...

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.

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 ...