Does Nancy Guthrie have a pacemaker and could it help find her?

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

Can pacemakers be tracked during an investigation?

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.

Savannah Guthrie’s missing mom’s pacemaker stopped syncing with her Apple Watch — as cops announce surprise press conference

Nancy Guthrie’s pacemaker reportedly stopped syncing with her Apple devices predawn Sunday morning – as the Arizona sheriff leading the missing person case called a surprise press conference for late Tuesday morning.

Savannah Guthrie’s mom Nancy’s pacemaker stopped syncing with her Apple Watch as disappearance timeline develops

A law enforcement source told Fox News Digital that the 84-year-old's pacemaker last synced with her Apple devices around 2 a.m. on Sunday.
Medscape

Remote Monitoring of Pacemakers Safely Cuts Clinic Visits

December 8, 2011 (Rennes, France) — Remote monitoring of patients with dual-chamber pacemakers "was a safe substitute for conventional follow-ups, decreased the number of [clinic] visits, and enabled the early detection of important clinical and device ...

Nancy Guthrie’s 2 a.m. pacemaker ping could point to heart rate-spiking struggle, lead cardiologist says

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 Thursday.