The FDA has approved the first wireless heart pacemaker. The Micra Transcatheter system is a self-contained device. It's just 1-inch long, it doesn't have wires and it's implanted by a flexible tube ...

Sixty-seven years ago on Halloween, a rolling power outage wreaked havoc across the Twin Cities and at the University of Minnesota hospital, where cardiac patients were relying on electrical ...

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 ...

LOUISVILLE, Ky. — A Louisville baby made headlines two years ago when she received the tiniest pacemaker ever implanted into a human at that time. Heavenleigh was born early, at just 28 weeks and five ...