低剂量组的血循环功能和心率变异性测定值与对照组比较，差异无显著性。
There was no significant difference between the low level group and the control group in the circulatory function and heart rate variability.
结论心率和心率变异性是一项评定颈部手法刺激对自主神经系统效应的有用指标。
Conclusions HR and HRV were useful indicators and could be used in cervical stimulation to evaluate the effect on autonomic nervous system.
目的研究大鼠疑核（NA）心抑制区的一氧化氮（NO）对心率（HR）和心率变异性（HRV）的影响。
Objective To study the effects of nitric oxide(NO) in cardioinhibtory sites within the nucleus ambiguous(NA) on heart rate(HR) and heart rate variability(HRV) in anaesthetized rats.
目的：对60例阵发性室上性心动过速患者在射频导管消融术前后进行了超氧化物歧化酶测定和心率变异分析。
Methods: heart rate variability (HRV) and superoxide dismutase (SOD) were measured in 60 patients with paroxysmal supraventricular tachycardia before and after RFCA.
本研究将探讨血压变异性和心率变异性的关联性，联合使用血压变异性和心率变异性参数来深入了解自主神经系统对心血管系统的调节作用。
Thus our study investigated the association between blood pressure and heart rate variability and intended to apply them to the estimation of autonomic control to cardiovascular system.
这份指南的目的是帮助你开始应用心率变异性(HRV)来优化自己的健康和表现。
The intention of this guide is to help you get started optimizing your health and performance with Heart Rate Variability (HRV).
心率变异性已被用来评估激活交感神经和迷走神经系统。
Heart rate variability has been used to assess activation of the sympathetic and the parasympathetic nervous systems.
结论混沌动力学在心率变异信号处理中的应用有望为某些心脏疾病的辅助临床诊断和治疗提供一个新的途径。
Conclusion The application of Chaos dynamics in heart rate variability signal processing may pave a new way for aided clinical diagnoses and treatment of some cardiopathies.
为了解x综合征患者中自主神经功能活动。观察8例x综合征患者和10例健康人心率变异有关指标。
To understand autonomic nervous activity in patients with syndrome X, we studied parameters of heart rate variability in 8 patients with syndrome X and 10 healthy control subjects.
目的观察美托洛尔和非洛地平对老年高血压病人降压治疗后心率变异性的改变。
Objective to observe the change of heart rate variability after Metoprolol and Felodipine treatment in the elderly patients with hypertension.
目的：观察有氧运动疗法对老年卧床患者迷走神经张力的维持和对心率变异性相关指标的影响。
OBJECTIVE to observe the effect of aerobic kinesitherapy on vagal tone maintenance and the relevant indices of heart rate variability in elderly bedridden patients.
心率变异性是反映交感神经系统和副交感神经系统兴奋性的敏感指标。
Heart Rate Variability is a marker of performance of the excitability of sympathetic Nervous System and Parasympathetic Nervous System.
目的探讨原发性高血压(EH)患者心率变异性(HRV)和压力反射敏感性(BRS)的相关关系。
Objective: To study the correlation between heart rate variability (HRV) and baroreflex sensitivity (BRS) in patients with essential hypertension (EH).
结论检测心率变异性在心力衰竭患者中的变化可反映自主神经功能受损情况，同时为心力衰竭程度的预测和治疗提供有用的参考指标。
Conclusion the changes of HRV in heart failure patients can reflect auto nerve function damage and provide useful reference for the prediction and treatment of heart failure.
目的：探讨高血压患者左心室结构和功能对心率变异性(HRV)的影响。
Objective: To study the influence of left ventricular conformation and function on heart rate variability (HRV) in patients with hypertension.
该文通过实验研究了不同频率、不同噪声级和不同暴露条件下的噪声对人体的心率变异的影响。
The experimental results indicated that the effects of the noise frequencies and exposed conditions on HRV during R-R interval period were significant .
心率变异分析可作为观察x综合征自主神经变化和指导临床治疗的指标。
HRV is the better index on assessing autonomic nerve change, which can be used to guide clinical treatment of XS.
心率变异性检测系统是一个无创、定量评估迷走神经和交感神经活性的检测系统。
A device has been develped for heart rate variability (HRV) analysis, which can inspect the activity of vagal nerve and sympathic nerve imvasively and quantatively.
方法对60例肝硬化组和60例正常组进行心率变异性时域分析。
Methods Time domain methods of heart rate variability (HRV) tests were performed in 60 patients with liver cirrhosis and 60 normal subjects.
方法在动态心电图的基础上测量分析32例持续性心房颤动患者的心率变异性指标（SDNN；SDANN；RMSSD和HRV三角指数）的改变。
Of the 32 patient with continual atrial fibrillation, the index of heart rate variability(SDNN; SDANN; RMSSD and HRV triangular index)were analysed on the basis of Holter monitor.
心率变异性是反映交感神经系统和副交感神经系统兴奋性的敏感指标。
Heart Rate Variability (HRV) is a marker of performance of the excitability of sympathetic Nervous System (SNS) and Parasympathetic Nervous System (PNS).
心率具有变异性，心率复苏和其他一些自主神经张力通常被假定认为是其机制，但是在将来肯定还需要试验来对其进行进一步研究。
Heart rate variability, heart rate recovery, and other autonomic tone in general have all been postulated as mechanisms concerning this, but more research is definitely needed through future studies.
倾斜过程中动态监测心电图、血压和心率。进行心率变异性分析。
The analysis of the Holter-monitoring, blood pressure and the heart rate variability of the patients were performed during tilt.
这份指南的目的是帮助你开始应用心率变异性（HRV）来优化自己的健康和表现。
The Elite HRV system is not for medical use. It is forinformation purposes only - to help you and your Coach to make better healthand performance decisions.
提出定量分析心率变异信号中确定性成分的方法，并应用于老年组和年轻组。
Meanwhile, we advanced a new quantative analysis method of studying HRV deterministic component, and applied the method to the old and young groups.
目的：通过和非运动训练人群比较，了解摔跤及柔道运动员心率变异性的特征。
Objective:To investigate the characteristics of cardiovascular autonomic nerve system(ANS) modulation in wrestling and judo athletes comparing with health untrained people.
方法：对4 0例血压正常者和1 2 1例高血压患者均同时检测心率变异性与血压变异性，并进行统计学分析。
Methods:HRV and BPV were monitored and analyzed in 40 patients with normal blood pressure and 121 patients with hypertension.
方法：对4 0例血压正常者和1 2 1例高血压患者均同时检测心率变异性与血压变异性，并进行统计学分析。
Methods:HRV and BPV were monitored and analyzed in 40 patients with normal blood pressure and 121 patients with hypertension.
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