The Samsung Galaxy Watch3 announced last month and the Galaxy Watch Active2 unveiled last August both have the hardware to take electrocardiogram (ECG) readings, but the feature wasn't enabled on either of the smartwatches out of the box as it needed regulatory approval. Samsung activated ECG on the Galaxy Watch Active2 in South Korea last month, and now it's the turn for both smartwatches in the US to get ECG support. The heart rhythm will be recorded using the ECG Monitor app, and you'll need to install the Samsung Health Monitor app on the paired smartphone, which should be a Galaxy...
Source: https://www.gsmarena.com/samsung_galaxy_watch3_watch_active2_ecg_us-news-45447.php
