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

• Autori principali: Graham, Sarah Anne (Autore), Jeste, Dilip V (Autore), Lee, Ellen E (Autore), Wu, Tsung-Chin (Autore), Tu, Xin (Autore), Kim, Ho-Cheol (Autore), Depp, Colin A (Autore)
• Natura: Libro
• Pubblicazione: JMIR Publications, 2019-10-01T00:00:00Z.
• Soggetti: article
• Accesso online: Connect to this object online.

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 in older adults. Recent a...