The Apple Watch can be used to help diagnose a potentially fatal heart condition
<p><a target="_blank" href="https://www.health-eheartstudy.org/study" rel="noopener noreferrer">In a joint study published today</a>, app developer Cardiogram and researchers at the University of California, San Francisco said Apple Watch combined with Cardiogram’s algorithm showed the smartwatch’s sensors can differentiate between a normal heart rhythm and atrial fibrillation (AF). In fact, the study identified AF with 97% accuracy.</p>