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Wearable Devices and Sensors (1502) Research Instruments, Questionnaires, and Tools (1148) Ubiquitous Health (uHealth) (262) mHealth for Data Collection and Research (1652) Fitness Trackers and Smart Pedometers/Accelerometers (773) Novel Sensors and Data Acquisition Methods in Cardiology (254) e-Cardiology and Telemonitoring in Cardiology (268) Cardiac Self-Management (169)

Published on in Vol 13 (2025)

Preprints (earlier versions) of this paper are available at https://preprints.jmir.org/preprint/54871, first published .
Smartwatch displaying a heart rate graph on a person's wrist.

Reliability and Accuracy of the Fitbit Charge 4 Photoplethysmography Heart Rate Sensor in Ecological Conditions: Validation Study

Reliability and Accuracy of the Fitbit Charge 4 Photoplethysmography Heart Rate Sensor in Ecological Conditions: Validation Study

Authors of this article:

Maxime Ceugniez1 Author Orcid Image ;   Hervé Devanne1 Author Orcid Image ;   Eric Hermand1, 2 Author Orcid Image
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