Jeff Williams, Apple's chief operating officer, speaks about the new Apple Watch Series 4 at the company's product-launch event in Cupertino, Calif., on Wednesday. The new Watch includes a sensor allowing users to take an electrocardiogram they can share with their doctor.
A new Apple Watch and software with advanced heart-monitoring capabilities could boost the detection of abnormal heartbeats in millions of people, but it could also raise the chance of false positives, a cardiologist and researcher says.
Apple unveiled three new iPhones, including two with bigger displays, but perhaps the more dramatic announcement from Cupertino, Calif., on Wednesday was its new Apple Watch, with the new health-related tools.
The Apple Watch Series 4Â will let users take an electrocardiogram, or ECG, and share it with their doctor.
https://www.npr.org/2018/09/12/647180302/new-apple-watch-to-detect-abnormal-heartbeats