The Apple Heart Study demonstrates that the Apple Watch can detect atrial fibrillation inferred from the smartwatch heart-rate sensor with a high positive predictive value. However, we must now contend with many clinically relevant unknowns that were not addressed by the study, such as the ramifications of a false-positive result.
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G.M.M. has received research funding from Jawbone and Eight and consulting fees as a steering committee member for Johnson & Johnson. He also holds equity as a co-founder of InCarda and is a consultant for InCarda.
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Marcus, G.M. The Apple Watch can detect atrial fibrillation: so what now?. Nat Rev Cardiol 17, 135–136 (2020). https://doi.org/10.1038/s41569-019-0330-y
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DOI: https://doi.org/10.1038/s41569-019-0330-y
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