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 in older adults. Recent a...
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| Main Authors: | , , , , , , |
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| Format: | Book |
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JMIR Publications,
2019-10-01T00:00:00Z.
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| Call Number: |
A1234.567 |
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