nytimes May 21, 2021 11:00am Can a Smartwatch Save Your Life? #watchesandclocks #wearablecomputing #heart #mobileapplications #stroke #testsmedical #elderly #pacemakers #contenttypeservice #americanheartassn #appleinc #fitbit #news Can a Smartwatch Save Your Life? The advent of wearable devices that monitor our heart rhythms both excites and worries doctors.