Kovalenko S O, Tokar S I
Fiziol Zh (1994). 2007;53(2):36-40.
The spectral power of the RR-intervals and stroke volume (SV) oscillations in the range of 0.04-0.15Hz was estimated among 252 men aged 17-28. The maximum peak frequencies of RR-intervals spectrums and SV were significantly increased by loadings. There is a tendency to higher frequency of RR-intervals spectrum peaks in comparison with SV spectrum peaks. There are two waves on the diagram RR-intervals spectrum power at the state of rest and at tilt test testifying about two mechanisms of their formation. All the waves are in the range of 0.06-0.12Hz for RR-intervals and 0.05-0. 11 Hz for SV.
在252名年龄在17至28岁的男性中，估算了0.04 - 0.15Hz范围内RR间期和每搏输出量（SV）振荡的频谱功率。RR间期频谱和SV的最大峰值频率因负荷而显著增加。与SV频谱峰值相比，RR间期频谱峰值有更高频率的趋势。在静息状态和倾斜试验时，RR间期频谱功率图上有两个波，证明了它们形成的两种机制。RR间期的所有波都在0.06 - 0.12Hz范围内，SV的所有波都在0.05 - 0.11Hz范围内。
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