Results 211 to 216 of about 13,553,330 (216)

Comparison of Heart-Rate-Variability Recording With Smartphone Photoplethysmography, Polar H7 Chest Strap, and Electrocardiography.

International Journal of Sports Physiology and Performance, 2017
PURPOSE To establish the validity of smartphone photoplethysmography (PPG) and heart-rate sensor in the measurement of heart-rate variability (HRV). METHODS 29 healthy subjects were measured at rest during 5 min of guided breathing and normal breathing
D. Plews, B. Scott, M. Altini, Matt Wood, A. Kilding, P. Laursen   +5 more
semanticscholar   +1 more source

Heart rate

A Practical Guide to the Interpretation of Cardiopulmonary Exercise Tests, 2021

semanticscholar   +1 more source

A meta-analysis of heart rate variability and neuroimaging studies: Implications for heart rate variability as a marker of stress and health

Neuroscience and Biobehavioral Reviews, 2012
J. Thayer, F. Åhs, M. Fredrikson, J. Sollers, T. Wager   +4 more
semanticscholar   +1 more source

Heart Rate.

American Journal of Cardiology
Philip D Houck
semanticscholar   +1 more source

Heart rate variability: a review

Medical and Biological Engineering and Computing, 2006
U. Acharya, P. Joseph, N. Kannathal, C. M. Lim, J. Suri   +4 more
semanticscholar   +1 more source

Sex differences in healthy human heart rate variability: A meta-analysis

Neuroscience and Biobehavioral Reviews, 2016
J. Koenig, J. Thayer
semanticscholar   +1 more source