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Stanford study finds Apple Watch can detect irregular heart rhythms
Stanford has released the results of its Apple Watch-based heart study more than a year after it began, and it appears to have been a success, with a few caveats. Only 0.5 percent of the more than 400,000 volunteers received warnings of irregular heart rhythms, but physicians later verified that 84 percent of those notifications were atrial fibrillation episodes and thus potential signs of trouble. To put it another way, the technology both avoided a glut of false positives (a major concern going into the study) and was reliable enough that it was worth a follow-up with doctors.
Stanford begins irregular heartbeat research using Apple Watch data
Back in September, Apple announced improvements for the heart monitoring features of its Watch. Specifically, Apple wanted the Watch to be able to detect atrial fibrillation (AFib), or irregular heartbeats, in its users, which often has no symptoms and goes diagnosed. Today, Apple launched the Apple Heart Study app with Stanford Medicine. The goal is to study and improve upon the technology we currently use to detect AFib.
