Key clinical point: Apple Watch detected atrial fibrillation with high accuracy.
Major finding: An irregular pulse rhythm detected by optical sensing on an Apple Watch had an 84% positive predictive value for concurrent atrial fibrillation.
Study details: This single-arm, prospective, observational study included 419,297 adult Apple Watch and iPhone users living in the U.S.
Disclosures: The study was sponsored by Apple.
Turakhia M., ACC 19 NCT03335800
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