Associations Between Heart Rate Variability Measured With a Wrist-Worn Sensor and Older Adults’ Physical Function: Observational Study

Associations Between Heart Rate Variability Measured With a Wrist-Worn Sensor and Older Adults’ Physical Function: Observational Study

BackgroundHeart rate variability (HRV), or variation in beat-to-beat intervals of the heart, is a quantitative measure of autonomic regulation of the cardiovascular system. Low HRV derived from electrocardiogram (ECG) recordings is reported to be related to physical frailty i...

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Bibliographic Details
Main Authors: Graham, Sarah Anne, Jeste, Dilip V, Lee, Ellen E, Wu, Tsung-Chin, Tu, Xin, Kim, Ho-Cheol, Depp, Colin A
Format: Article
Language:English
Published: JMIR Publications 2019-10-01
Series:JMIR mHealth and uHealth
Online Access:http://mhealth.jmir.org/2019/10/e13757/

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