Your Apple watch says you have a heart condition. now what?

Doctors warn of atrial-fibrillation overdiagnosis by wearables from Apple, Fitbit and others. Yes, they can notify you—but what should you do when you get the alert?
Doctors warn of atrial-fibrillation overdiagnosis by wearables from Apple, Fitbit and others. Yes, they can notify you—but what should you do when you get the alert?
Just because your smartwatch can tell you if you have an irregular heart rhythm, does that mean the information will do you any good?