Apple’s New Watch Refines Health-Features With ECG Heart Monitor:
So when Apple originally rolled-out the watch with the heart-rhythm measuring feature, it was greeted with a little skepticism,

That was because many wrist-based health devices can end-up being less than perfectly-accurate.

From calories-burned by exercise, all the way to questions about serious measurements like heart rhythms.

But this time, Apple’s taken the next step by integrating big data and better sensors that foreshadow the future of health, starting with your heart…