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

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

As the search for Nancy Guthrie continues, investigators are turning to a small device they hope could lead to a breakthrough: the 84-year-old’s pacemaker.

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 ...

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 ...

An experimental, leadless pacemaker housing is able to partially recharge the device’s battery by generating electrical energy from heartbeats. The device generated about 10% of the energy needed to ...