Switzerland’s Basel University Hospital recently tested five mainstream wearable devices, focusing on the assessment of its ability to interpret ECG data, of which Apple Watch performance is the most excellent.
A standard ECG uses 12 electrode leads placed on a person’s chest, arms and legs to monitor the heart’s electrical signals, while mainstream wearable devices are mainly single-lead ECGs.
The team invited 450 participants of varying occupations or education levels to evaluate single-lead ECGs from mainstream wearables and found that the ECG data from Apple’s Apple Watch was of higher overall quality and more readable.
The research team tested five wearable devices: Apple Watch, Fitbit, Sense, KardiaMobile, Samsung Galaxy Watch and Withings ScanWatch.
The study compared ECGs recorded by the aforementioned wearables to 12-lead ECG recordings interpreted by two cardiologists, showing that cardiologists can recognize atrial fibrillation more accurately with single-lead ECG data than residents or junior medical students.
REFERENCE ADDRESS: Weidlich S, Mannhart D, Serban T, Krisai P, Knecht S, Du Fay de Lavallaz J, Müller T, Schaer B, Osswald S, Kühne M, Sticherling C, Badertscher P. Accuracy in detecting atrial fibrillation in single-lead ECGs: an online survey comparing the influence of clinical expertise and smart devices. Swiss. Med Wkly. 2023 Sep 1;153:40096. doi: 10.57187/smw.2023.40096. PMID: 37769610.
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