A Spanish laboratory wired 23 people to a hospital ECG and compared the readings. Resting pulse…
Tag: heart rate variability
Garmin HRV Fails Again — Forerunner 265 Study
An academic study has compared the Garmin Forerunner 265's Health Snapshot against an ECG reference and…
Can Your Garmin Watch Detect Depression? Sort Of.
Dartmouth researchers used a Garmin Vivoactive 4s to passively monitor 297 depressed adults for 90 days.…
62 Garmin Devices Failed to Track HRV Accurately Against a Clinical ECG
A new validation study tested Garmin HRV accuracy against a clinical ECG standard across a full…
HRV Data: What 5 Years of Daily Tracking Showed Me
Five years of daily heart rate variability measurements reveal patterns about sustainable training, measurement protocols, and…
“DC” – The Next Big Health Feature Coming to Garmin, Apple, and Google Watches in 2026?
Honor's "anti-sudden cardiac arrest screening" uses deceleration capacity (DC), a clinically validated metric that existing Apple…
