Add Yahoo as a preferred source to see more of our stories on Google. Electrocardiograms, or ECGs, record the electrical activity of your heart. Randy Faris/The Image Bank via Getty Images Your ...

PHOENIX — Researchers at the University of Arizona are working on a new way to power pacemakers that could do away with batteries for good. The devices seek to convert mechanical energy into ...

A pacemaker is an implantable medical device used to regulate abnormal heart rhythms (arrhythmias), particularly bradycardia ...

Scientists have found a way to pick the best pacemaker for each patient, potentially making them last years longer. Researchers at the University of Leeds, Université Grenoble Alpes and University ...

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 ...

As the search for Savannah Guthrie's mother, Nancy, continues, a cardiologist explains how pacemakers work and if they can be ...

Unconfirmed media reports say Nancy Guthrie's pacemaker stopped syncing with her Apple devices. Here's what that means.

Smaller than a grain of rice, new pacemaker is particularly suited to the small, fragile hearts of newborn babies with congenital heart defects. Tiny pacemaker is paired with a small, soft, flexible ...