One of the key features of the Apple Watch Series being able to measure your heart rate, a feature that has existed since the first iteration, it is also endowed with an ECG function that takes cardiac measurements at more advanced levels than speed to which your heart beats.
Now we are sure that some people are wondering how Apple has succeeded in FDA – approved functionality, and it turns out that the heart rate study of. Apple with Stanford could have been the approval of Apple Cinch FDA, according to a Quartz report that says FDA documents revealed that the regulator had used Apple's heart rate study data to grant the company's permissions.
feature on the Apple Watch Series 4 is not meant to replace a doctor or replace a professional medical equipment, but the fact that it exists on your wrist means that it is more accessible and that it will help provide users with basic information so they can address their doctor.
It should also be noted that the ECG function will not be available at launch . It's unclear why (perhaps pending regulatory approval or changes), but Apple expects it to be ready later this year, but not at launch.