Data from Nancy Guthrie's pacemaker has helped shed light on the events leading up to her kidnapping, but there are significant limits in how much data the devices can collect. Most importantly for ...

A pacemaker, which unconfirmed media reports say Nancy Guthrie has, does not contain GPS and cannot be used to track a person's location. A pacemaker will continue to function even if it stops syncing ...

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-surging struggle with her possible captors, a lead cardiologist speculated ...

Forbes contributors publish independent expert analyses and insights. A physician who writes about challenges with navigating healthcare. Pacemakers are not designed or approved to provide real‑time ...

The heart devices do not track location, nor do they transmit across large distances. By Gina Kolata Like an estimated three million Americans, Nancy Guthrie, the 84-year-old mother of the NBC News ...

Nancy Guthrie’s pacemaker stopped syncing with her Apple devices predawn Sunday, a Tuesday report said as the search for the mother of NBC News star Savannah Guthrie reached into a third day. The ...

Add Yahoo as a preferred source to see more of our stories on Google. The search for Nancy Guthrie is in its eighth day, and investigators are still working around the clock to find her—and to find ...

DENVER (KDVR) — One part of the investigation into the disappearance of “Today” show host Savannah Guthrie’s mother focuses on the missing woman’s implanted medical device. Investigators found Nancy ...

Imagine a heart patient with a pacemaker—one of the millions who rely on these tiny, implanted devices to keep their hearts beating steadily. While pacemakers save lives every day, their ability to ...

On Tuesday, Feb. 3, a law enforcement source told Fox News Digital that Nancy's pacemaker last synced with her Apple devices roughly 2 a.m. on Sunday, Feb. 1. Investigators said they believe that's ...