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Heart Rate Variability – A Historical Perspective
Heart rate variability (HRV), the beat-to-beat variation in either heart rate or the duration of the R–R interval – the heart period, has become a popular clinical and investigational tool. The temporal fluctuations in heart rate exhibit a marked synchrony with respiration (increasing during inspira...
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Formato: | Online Artículo Texto |
Lenguaje: | English |
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Frontiers Research Foundation
2011
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Acceso en línea: | https://www.ncbi.nlm.nih.gov/pmc/articles/PMC3225923/ https://www.ncbi.nlm.nih.gov/pubmed/22144961 http://dx.doi.org/10.3389/fphys.2011.00086 |