Of course, this kind of serious health feature is the sort of thing you need to get exactly right, for reasons that ought to be pretty obvious on their face.

Electrocardiogram finally goes live today for Series 4 owners as part of the watchOS 5.1.2 update.

It’s an important feature — and one that will go a ways toward helping establish the wearable as a more serious health monitor.

After all, outside of the proliferation of these sorts of wearables, most of us won’t experience something like constant ECG monitoring until under the care of a doctor.

If this feature is capable of isolating that information ahead of time, it could go a ways toward addressing complications before they turn into major issues.

Some of the key takeaways:

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