The first unexpected power failure in a Medtronic InSync III pacemaker didn't set off the alarm bells. But by the fourth time, doctors at the Minneapolis Heart Institute knew they had to act quickly.

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 ...

DALLAS (Reuters) - A new generation of Medtronic Inc's EnRhythm pacemaker programmed to kick in only when heart rhythm disturbances are detected led to fewer deaths, hospitalizations and incidences of ...