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Natural environmental associations in a 50-day human electrocardiogram

机译:50天人体心电图中的自然环境关联

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Meteorotropic associations of heart rate (HR) and HR variability (HRV) were investigated in a clinically healthy 48-year-old man in Kiev. His electrocardiogram (ECG) was determined over 50 days by fitting him with an ambulatorily wearable device: various natural physical environmental variables were also monitored. The mean inter-beat interval. the standard deviation of these intervals. the spectral power in several frequency ranges, the power ratio of the approx. 10.5-s/approx. 3.6-s spectral components and other aspects of HRV were computed over consecutive 14.4-min intervals. Together with ordinary meteorological variables, geomagnetic disturbances (GMD) and fluctuations of atmospheric pressure (FAP) in the range 0.01-0.10 Hz (10-100 s) were measured. The assessable infradian spectra (with frequencies lower than 1 cycle/28 hours) of all HRV parameters showed two major components with periods of about 3.5 and 10 days. Two environmental variables, FAP and wind speed (with which FAP is closely related), revealed both of these rhythms and showed the greatest cross-spectral coherence (0.70-0.98) with corresponding oscillations of HRV. Less specific but statistically significant product-moment correlations with major HRV indices were also found: most of these were with FAR but correlations with air temperature, humidity, wind speed and geomagnetic disturbances were also found.
机译:在基辅的一名临床健康的48岁男性中调查了心律(HR)和HR变异性(HRV)的促气象关联。通过为他安装一个可穿戴式可穿戴设备,在50天内确定了他的心电图(ECG):还监测了各种自然物理环境变量。平均心跳间隔。这些间隔的标准偏差。在几个频率范围内的频谱功率,功率比约为约10.5-s /在连续的14.4分钟间隔内计算了3.6s的频谱分量和HRV的其他方面。与普通的气象变量一起,测量了地磁干扰(GMD)和大气压波动(FAP)在0.01-0.10 Hz(10-100 s)范围内。所有HRV参数的可评估红外光谱(频率低于1个周期/ 28小时)显示了两个主要成分,周期约为3.5天和10天。 FAP和风速(与FAP密切相关)这两个环境变量揭示了这两个节律,并显示出最大的跨光谱相干性(0.70-0.98)和相应的HRV振荡。还发现与主要HRV指数的特异性-矩相关性较低,但在统计学上不显着:大多数与FAR相关,但也与气温,湿度,风速和地磁干扰相关。

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