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

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

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

This story is part of a series on the current progression in Regenerative Medicine. This piece discusses the regeneration of the cardiovascular system. In 1999, I defined regenerative medicine as the ...

Add Yahoo as a preferred source to see more of our stories on Google. Scientists have designed a solar panel-like pacemaker that can precisely control heartbeats. Eugene Mymrin/Moment via Getty Images ...

Recycled pacemakers can function as well as new devices, according to a new study. These used and reconditioned devices have the potential to increase access to pacemaker therapy in low- and ...

Dr. Myerburg answers the question: 'How Do Pacemakers Know To Pace Faster?' — -- Question: How do pacemakers know when I need a faster heart rate, for example when I am exercising or anxious?

Heart problems are nothing new. Humans have been fascinated by electrocardiography since the era of Hippocrates (via St. Luke's Hospital Cardiology Department). With each passing century, medicine's ...

Dr. Myerburg answers the question: 'Can A Pacemaker Strengthen My Heart?' — -- Question: I have heard that pacemakers can strengthen my heart, is this true? Answer :Pacemakers of a certain ...

Pengju Li consults to the Pritzker School of Molecular Engineering. He receives funding from the University of Chicago. By harnessing light, my colleagues and I designed a wireless, ultrathin ...