The electrocardiogram (ECG) feature on the Apple Watch Series 4 was just enabled last week by the watchOS 5.1.2 update, and already it has apparently saved a life. The ECG alerted an Apple Watch user that he was suffering from afib, a diagnosis confirmed by a cardiologist. The electrocardiogram (ECG) feature on the Apple Watch Series 4 was just enabled last week by the watchOS 5.1.2
As it turns out, even though the ECG sensor on the Series 4 version of the smartwatch has just been made available, it has already saved at least one life.
