A pacemaker is a small device that can send electrical signals to your heart. Here's who needs a pacemaker and how it works.

LOS ANGELES >> Dodgers Hall of Famer Tommy Lasorda underwent surgery Thursday to replace the pacemaker in his heart. The procedure was confirmed by the Dodgers on Friday morning. The team added in a ...

Clinical pacemakers save lives. Implanted in patients’ hearts to keep them beating regularly, the devices are an important part of modern healthcare in the fight against potentially fatal arrhythmias.

At Big Ten Media Days in Chicago Thursday, Nebraska head coach Fred Hoiberg shared an update on his status after undergoing a recent heart procedure to replace his pacemaker. “I feel really good,” ...

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.

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 ...

Millions of people have benefited from pacemakers since the first one was implanted in 1958, but the basics facets of the design have remained unchanged. These devices are still battery-operated, with ...

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 ...

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 ...

Scientists say they've taken a first step toward creating a pacemaker that runs on the heart's own energy rather than batteries. Pacemakers are electronic devices implanted to regulate your heartbeat ...