Analysis of heart rate variability.
Analysis of heart rate variability.
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DOI：
10.1080/00140137308924479
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发表时间：
1973
期刊：
影响因子：
2.4
通讯作者：
Bmca. Sayers
中科院分区：
文献类型：
--
作者：
Bmca. Sayers
心率的自发变异性与三个主要的生理起源因素有关：被认为是血压控制中出现的准振荡波动，由于温度调节而产生的可变频率振荡，以及呼吸；对心脏搏动间期序列的频率选择性分析可以分离出不同的贡献。利用该方法，对脑力劳动负荷对心脏间期序列的影响进行了实验室和现场研究。结果表明，平均心率和方差是不可靠的指标，但间期频谱发生了一致的变化；这些变化主要是由于0.1赫兹区域的变化，可能源于与0.1赫兹血管运动活动相互作用的呼吸模式的变化，
Spontaneous variability of heart-rate has been related to three major physiological originating factors: quasi-oscillatory fluctuations thought to arise in blood-pressure control, variable frequency oscillations due to thermal regulation, and respiration; frequency selective analysis of cardiac interbeat interval sequences allows the separate contributions to be isolated. Using this method, a laboratory and field study of the effects of mental work load on the cardiac interval sequence has been carried Out. Results suggest that mean heart rate and variance are unreliable measures, but that consistent changes in interval spectrum occur; these have been traced to alterations mainly in the 0·1 Hz region, perhaps originating with changes in the patterns of respiration which interact with the 0·1 Hz vasomotor activity,