Surgeons have been opening chests and implanting pacemakers for decades. The devices save millions of people by controlling their abnormal heartbeats. Now doctors are testing a new version of ...

In May, surgeons implanted a leadless mini-pacemaker in Brubaker's heart as part of a clinical trial. "The device is so small we're able to implant via the femoral vein in the leg, into the right ...

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 ...