Add Yahoo as a preferred source to see more of our stories on Google. FILE PHOTO: 50th anniversary of Danish Queen Margrethe's accession to the throne OSLO (Reuters) - Norway's Queen Sonja, 87, will ...

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 ...

A heart attack is a life-threatening condition, with patients remaining at risk of premature death long after the actual attack—50% to 60% of patients die subsequently as a result of sudden cardiac ...

A New Smyrna Beach nurse suffered from a heart rhythm disorder that caused her to faint, until she received a "life-saving" high-tech pacemaker. The Micra AV pacemaker is a leadless device smaller ...

Information about Nancy Guthrie's pacemaker helped authorities piece together a new timeline in her kidnapping. Can the devices track you?

LONDON, England—New research has identified several high-risk variables associated with the need for a new permanent pacemaker after TAVI for aortic stenosis. None on the list are among the more ...

For the tiniest infants born with heart defects, a pacemaker the size of a pill now provides hope to families who are dealing with the problem. NBC News' Yamiche ...

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 ...

OSLO, Jan 14 (Reuters) - Norway's Queen Sonja, 87, will have a pacemaker inserted in a scheduled surgery later this week after suffering a heart problem during the weekend, the Norwegian royal court ...