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. 2022 Nov:253:53-58.
doi: 10.1016/j.ahj.2022.06.010. Epub 2022 Jul 16.

Six-lead device superior to single-lead smartwatch ECG in atrial fibrillation detection

Josca Scholten  1 , Ward P J Jansen  2 , Thomas Horsthuis  2 , Anuska D Mahes  2 , Michiel M Winter  3 , Aeilko H Zwinderman  4 , Jan T Keijer  2 , Madelon Minneboo  1 , Joris R de Groot  3 , Jouke P Bokma  5
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Six-lead device superior to single-lead smartwatch ECG in atrial fibrillation detection

Josca Scholten et al. Am Heart J. 2022 Nov.

Abstract

This was a head-to-head comparative study on different electrocardiogram (ECG)-based smartwatches and devices for atrial fibrillation detection. We prospectively included 220 patients scheduled for electrical cardioversion and recorded ECGs with 3 different devices (Withings Move ECG, Apple Watch 5, Kardia Mobile 6-leads) as well as the standard 12-lead ECG (gold standard), both before and after cardioversion. All atrial fibrillation detection algorithms had high accuracy (sensitivity and specificity: 91-99%) but were hampered by uninterpretable recordings (20-24%). In cardiologists' interpretation, the 6-lead device was superior (sensitivity 99%, specificity 97%) to both single-lead smartwatches (P < .05) for atrial fibrillation detection.

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