A Novel Smartphone App for the Measurement of Ultra-Short-Term and Short-Term Heart Rate Variability: Validity and Reliability Study
BackgroundSmartphone apps for heart rate variability (HRV) measurement have been extensively developed in the last decade. However, ultra-short-term HRV recordings taken by wearable devices have not been examined. ObjectiveThe aims of this study were the following: (1) to compare the validity and re...
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| Main Authors: | , , , |
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| Format: | Book |
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JMIR Publications,
2020-07-01T00:00:00Z.
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| Online Access: | Connect to this object online. |
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| Call Number: |
A1234.567 |
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| Copy 1 | Available |