平视倾斜试验中心率间隔的时间增量分布揭示了心脏调节的动态

2014 8th Conference of the European Study Group on Cardiovascular Oscillations (ESGCO) Pub Date : 2014-05-25 DOI:10.1109/ESGCO.2014.6847531

D. Makowiec, Z. Struzik, B. Graff, W. Miklaszewski, S. Budrejko, D. Kozłowski, K. Narkiewicz

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引用次数: 0

摘要

在平视倾斜试验中，心血管调节的动力学方面通过随后的心脏收缩之间的时间增量分布的特性来揭示。引入广义Porta指数(GPI)，并对混合概率密度函数进行了计算。GPI显示自发性昏厥易感者和不易感者对倾斜试验的动态反应有显著差异。

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Temporal increment distributions of RR-intervals reveal dynamics of cardiac regulation in head-up tilt test

Dynamical aspects of cardiovascular regulation are revealed in the head-up tilt test by the properties of the distribution of time-increments between subsequent heart contractions. The Generalized Porta Index (GPI) is introduced and then calculated for the pooled probability density functions. GPI reveals marked differences between the dynamical response to the tilt test of healthy subjects prone to spontaneous fainting and those who are less susceptible.

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来源期刊

2014 8th Conference of the European Study Group on Cardiovascular Oscillations (ESGCO)

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