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

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 ...

ANN ARBOR -- A new power scheme for cardiac pacemakers turns to an unlikely source: vibrations from heartbeats themselves. Engineering researchers at the University of Michigan designed a device that ...

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 ...

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 ...

Pacemakers have a problem — and that’s not something you want to hear about a medical device which literally helps a person’s heart to continue to beat normally. The problem, simply, is that they rely ...

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 ...