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Study of relationship between heart rate variability and autonomic function using cold pressor test for Malaysian population

机译:马来西亚人群冷压试验研究心率变异性与自主神经功能之间的关系

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This paper investigates HRV response of healthy subject during cold pressor test using AR spectral analysis with Burg estimation. Cold pressor test is one of the autonomic function tests performed by immersing the hand into cold water. In this study, ECG was recorded from 26 young adults; 9 males and 17 females with age ranging from 20–40. Autoregressive estimated by Burg is used to compute the power spectral density of the R-R interval. From the ongoing results, 22 subjects show an increase of LFnu and a decrease of HFnu during cold pressor while four subjects show opposite response. For LF/HF ratio, nine subjects show values greater than one which indicates a parasympathetic predominance during the CP while 17 from them indicate less than one, reflecting sympathetic predominance.
机译:本文利用AR谱分析和Burg估计方法研究健康受试者在冷压试验中的HRV反应。冷压测试是通过将手浸入冷水中进行的自主功能测试之一。在这项研究中,记录了26位年轻人的心电图。 9名男性和17名女性,年龄在20-40之间。 Burg估计的自回归用于计算R-R间隔的功率谱密度。从正在进行的结果来看,有22名受试者在冷压期间显示LFnu升高而HFnu降低,而4名受试者显示了相反的反应。对于LF / HF比率,有9名受试者显示的数值大于1,这表明CP期间副交感神经占主导,而其中17名受试者的数值小于1,反映了交感神经主导。

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