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.

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

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

Dr. Srihari S. Naidu speaks with Parade to answer all our questions about pacemakers.

Innovative symbiotic transcatheter pacemaker harvests heart motion energy for lifelong pacing. Learn how this could transform cardiac care.

Nancy Guthrie’s 2 a.m. pacemaker spike on the day she vanished could mean that the elderly woman was involved in a heart rate ...

See that teeny tiny rectangle next to that pencil tip up there? That’s a pacemaker – the world’s smallest in fact, which has just been revealed in a new study. Cardiac pacemakers are up there with ...

But the Johnson County Coroner’s Office and local funeral homes are teaming up to put those devices to use for people in need ...

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 ...

Sometimes a slow heart rhythm can cause people to experience tiredness, difficulty with exercise, or dizziness and fainting. Although other problems can cause these symptoms (for example, blood loss ...

The cardiac pacemaker harmlessly dissolves over the course of 35 days. (Courtesy: Northwestern University) Temporary cardiac pacemakers provide essential pacing for patients with short-term heart ...

A pacemaker is a small, battery-powered device that controls the heartbeat. Our heartbeats are controlled by a highly efficient, biological electrical system that ensures our heart steadily pumps ...