Galaxy Watch 3, Watch Active 2 gain new health features in 31 countries
Samsung update brings the Galaxy Watch 3 and Active 2 ECG and blood pressure features to more places - PhoneArena
Samsung Galaxy Watch 3 is getting the ECG feature in 31 new countries
Electrocardiogram Monitoring Cleared for Galaxy Watch Active2 by South Korea's Ministry of Food and Drug Safety - Samsung Newsroom Global Media Library
Amazon.com: SAMSUNG Galaxy Watch 4 40mm Smartwatch with ECG Monitor Tracker for Health, Fitness, Running, Sleep Cycles, GPS Fall Detection, LTE, US Version, Pink Gold : Electronics
MAJOR Galaxy Watch 3 and Active 2 Update! - ECG (or EKG) Monitoring is HERE - YouTube