Seems odd to compare a machine like a 12 lead EKG to a smartwatch with a single lead EKG support. Of course variability will differ, that’s why they invest to

Seems odd to compare a machine like a 12 lead EKG to a smartwatch with a single lead EKG support. Of course variability will differ, that’s why they invest to much into improving the technology and ml algorithms to make up for the difference to personalize the data. The watch could encourage you to go to a doctor and the doctor can use a more accurate instrument to diagnose.