Why the study?
Does a smartwatch irregular pulse notification accurately identify atrial fibrillation in a large-scale pragmatic study?
Does a smartwatch irregular pulse notification accurately identify atrial fibrillation in a large-scale pragmatic study?
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A smartwatch-based irregular pulse notification system demonstrated 84% concordance with atrial fibrillation, establishing the feasibility of large-scale, siteless pragmatic studies using consumer wearables.
The probability of receiving an irregular pulse notification was low. Among participants who received notification of an irregular pulse, 34% had atrial fibrillation on subsequent ECG patch readings and 84% of notifications were concordant with atrial fibrillation. This siteless (no on-site visits were required for the participants), pragmatic study design provides a foundation for large-scale pragmatic studies in which outcomes or adherence can be reliably assessed with user-owned devices. (Funded by Apple; Apple Heart Study ClinicalTrials.gov number, NCT03335800.).
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Pérez et al. (2019) studied this question.
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