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Published on in Vol 10 (2026)

Preprints (earlier versions) of this paper are available at https://preprints.jmir.org/preprint/90009, first published .
Woman checking smartwatch during outdoor run in forest

Evaluation of a Consumer Wearable Smartwatch for Cardiac Interval Measurement in Healthy Adults: Cross-Sectional Method Comparison Study

Evaluation of a Consumer Wearable Smartwatch for Cardiac Interval Measurement in Healthy Adults: Cross-Sectional Method Comparison Study

Nicholas Noggle   1, 2 , BS ;   David Wing   3, 4 , PhD ;   Job Godino   3, 4 , PhD ;   Michael Higgins   3, 4 , MS ;   Daniel Moreno   3, 4 , MS ;   Dylan Lawton   5 , BS ;   Ariel Dowling   6 , PhD ;   Jasmin Imsirovic   6 , PhD ;   Ryan Moran   1, 3, 4 , MD, MPH

1 School of Medicine, University of California San Diego, La Jolla, CA, United States

2 School of Medicine, Albany Medical College, Albany, NY, United States

3 Herbert Wertheim School of Public Health and Human Longevity, University of California San Diego, La Jolla, CA, United States

4 Exercise and Physical Activity Resource Center, University of California San Diego, La Jolla, CA, United States

5 School of Medicine, University of Hawaii Cancer Center, Honolulu, HI, United States

6 Digital Health Sciences, Takeda (United States), Cambridge, MA, United States

Corresponding Author:

  • David Wing, PhD
  • Exercise and Physical Activity Resource Center, University of California San Diego
  • 9500 Gilman Drive, dept #0811
  • La Jolla, CA 92093
  • United States
  • Email: dwing@health.ucsd.edu