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Spontaneous fluctuation in the tissue blood volume and the systolic blood volume increase

机译:组织血容量的自发波动和收缩血量增加

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The tissue blood volume and the systolic blood volume increase can be measured, in relative terms, by means of photoplethysmography-the measurement of the absorption of light by the blood. The values of the blood volume and the systolic blood volume increase fluctuate due to the fluctuating intensity of the autonomic nervous system activity. In this study, these fluctuations were investigated. Positive correlation was found between the blood volume and the systolic blood volume increase and negative correlation between the latter two and arterial blood pressure.
机译:可以通过光增性术语 - 通过光增性测量来测量组织血容量和收缩血量增加 - 通过血液的吸收测量光的吸收。由于自主神经系统活性的波动强度,血容量和收缩血量增加的值波动。在这项研究中,调查了这些波动。血容量与后两次和动脉血压之间的血量和收缩血量增加和阴性相关性之间存在阳性相关性。

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