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A three-year trial called Heartline will use the Apple Watch's electrocardiogram feature in an attempt to achieve earlier detection and diagnosis of atrial fibrillation.
Jamie Condliffe ( @jme_c) is the news editor at Protocol, based in London. Prior to joining Protocol in 2019, he worked on the business desk at The New York Times, where he edited the DealBook newsletter and wrote Bits, the weekly tech newsletter. He has previously worked at MIT Technology Review, Gizmodo, and New Scientist, and has held lectureships at the University of Oxford and Imperial College London. He also holds a doctorate in engineering from the University of Oxford.