As Apple continues its serious move into health tech, its newest feature to the Apple Watch Series 4 has been garnering a lot of attention. You know, the ECG heart monitor that could alert you to problems you didn’t know you had? Doctors starting weighing in immediately after its release (via software update) last week, and started testing it soon afterwards…Does it work? Not work? Well, a few days ago, we got a firsthand account that it does, in fact, work and could have even saved this 46-year old man’s life.