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.

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 ...

Millions of people have benefited from pacemakers since the first one was implanted in 1958, but the basics facets of the design have remained unchanged. These devices are still battery-operated, with ...

Scientists have found a way to pick the best pacemaker for each patient, potentially making them last years longer. Researchers at the University of Leeds, Université Grenoble Alpes and University ...

ROCK ISLAND, Ill. — The Quad Cities’ first leadless pacemaker procedure was performed this summer at UnityPoint Health – Trinity Heart Center, marking a milestone in local heart care. The July 2025 ...

Your heart’s job is to keep your pulse steady to pump blood throughout your body. Sometimes your heart rate is slower when you’re relaxing, and sometimes it’s faster when you’re exercising or stressed ...

Share on Pinterest Could a battery-free pacemaker improve heart disease management? Image credit: Willie B. Thomas/Getty Images. An estimated 5% of people worldwide have an abnormal heartbeat, and ...