Overview
- Results published Thursday in European Heart Journal Digital Health show a Galaxy Watch 6 model predicted fainting up to five minutes early with 84.6% accuracy.
- The joint study by Samsung and Chung‑Ang University Gwangmyeong Hospital analyzed heart rate variability from the watch’s photoplethysmography sensor in 132 head‑up tilt tests.
- The model reached 90% sensitivity and about 64% specificity, which suggests strong detection of real events but some false alarms that designers would need to manage.
- Researchers say an early heads‑up could let people sit or call for help, lowering the risk of fractures or head injuries from sudden falls.
- Samsung calls this the first successful prediction using a commercial smartwatch and has set no release timeline, pointing to more validation and regulatory clearance before any rollout.