AIM To investigate the method of decreasing the noise disturbance in electrocardiosignal and improve the test precision of RR interval in heart rate variability HRV signals.
目的：探讨改善心电信号噪声干扰的方法，提高对心率变异信号中的RR间期检测精度。
The intention of this guide is to help you get started optimizing your health and performance with Heart Rate Variability (HRV).
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。
Heart rate variability (HRV) has been proposed as a noninvasive means to monitor the autonomic nervous activity of the heart.
心率变异性(HRV)分析是反映支配心脏自主神经活性的一项无创性指标。
Objective To study the effect of music relaxation therapy on heart rate variability (HRV) in hypertension.
目的探讨音乐松弛疗法对高血压病心率变异性的影响作用。
To explore the changes in vegetative nerve function by heart rate variability (HRV) and its clinical applicative value in patients with ACVD.
探讨急性脑血管病（ACVD）患者心率变异性（HRV）所反映的植物神经功能变化及其临床应用价值。
Objective To study structure of the unstable periodic orbits (UPOs) of R-R interval signals of heart during orthostatic standing, and to reveal the dynamic characters of heart rate variability (HRV).
目的研究立位心脏R- R间期信号的非稳定周期轨道的结构，进一步探讨心率变异（HRV）的动力学特征。
Objective: To investigate the effects of midazolam, propofol and both drugs co induction induced sedation on heart rate variability (HRV).
目的：观察心率变异性(HRV)在咪唑安定、异丙酚及其复合镇静时的变化。
Objective: To study the heart rate variability (HRV) and blood pressure variability (BPV) in patients with different grades of hypertension.
前言：目的：分析各级高血压患者心率变异性与血压变异性。
Methods Compared the heart rate variability (HRV) of 50 angina pectoris, 40 OMI, 60 AMI patients and 60 normal controls.
方法对60例健康者，50例心绞痛，40例陈旧性心肌梗死(omi)，60例急性心肌梗死(ami)患者的心率变异性进行了对比研究。
Objective: To study the correlation between heart rate variability (HRV) and baroreflex sensitivity (BRS) in patients with essential hypertension (EH).
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 explore the correlation of TCM syndrome differentiation of primary hypertension and heart rate variability(HRV), provide some reference for syndrome differentiation of hypertension.
目的：探讨原发性高血压病中医辨证分型与心率变异性（HRV）间的关系，为高血压病临床辨证客观化提供参考指标。
Objective To investigate the change of Chronotropic action and heart rate variability (HRV) in patients with essential hypertension (EH).
目的探讨原发性高血压(EH)患者变时性功能与心率变异性(HRV)的变化。
Objective To investigate daytime and nighttime variation of heart rate variability(HRV)in patients with obstructive sleep apnea syndrome(OSAS), and to evaluate the screening capacity of HRV.
目的研究阻塞性睡眠呼吸暂停综合征（OSAS）患者心率变异性（HRV）昼夜变化，探讨利用HRV指标筛选OSAS的效果。
Objective: to explore the change of activities of the cardiac autonomic nervous system in the EMG biofeedback with the quantified index of heart rate variability (HRV).
目的：应用心率变异性的频域指标探讨肌电生物反馈中的心脏自主神经系统功能活动的量化改变。
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 influence of left ventricular conformation and function on heart rate variability (HRV) in patients with hypertension.
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 characteristics of heart rate variability (HRV) in the normal newborns.
目的探讨正常新生儿心率变异性(HRV)的特点。
Objective to explore the correlation between the autonomic nerve function and the symptomatic scores of acute mountain sickness (AMS) by using heart rate variability (HRV).
目的应用心率变异性(HRV)探讨自主神经功能与急性高原反应(ams)症状学评分的相关性。
Objective: To investigate the relationship of chronic congestive heart failure (CHF) and heart rate variability (HRV) in the elderly.
目的：探讨老年患者慢性充血性心衰(CHF)与心率变异性(HRV)的关系。
Objective to research the characteristics of heart rate variability (HRV) of patients with unstable angina pectoris (UAP) and effects of bisoprolol for HRV.
目的探讨心率变异性(HRV)在不稳定型心绞痛(uap)发病中的变化及临床意义。
Objective To investigate the relationship between heart rate variability (HRV) and ventricular arrhythmia in patients with coronary heart disease.
目的探讨冠心病患者心律变异性(HRV)与室性心率失常之间的关系。
To know the heart rate variability(HRV) features of healthy dogs so as to make foresighted study of various pathological models on the basis of them.
为了解正常犬心率变异（HRV）的特征，以便在此基础上作各种病理模型的前瞻性HRV研究。
Objective To study the characteristics of heart rate variability(HRV) in the patients with acute coronary syndrome(ACS) and its intervention by relaxing exercises.
目的观察急性冠脉综合征（ACS）患者心率变异性（HRV）特点及放松功对其影响。
To investigate characteristics of acute myocardial infarction(AMI) and heart rate variability(HRV), 44 patients with AMI and 50 healthy controls were involved in study.
为探索急性心肌梗死时心率变异性指标变化规律，测定44例急性心肌梗死患者的心率变异性时域指标并与50例正常人进行对比。
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.
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。
Objective To assess the mechanism of desflurane-mediated sympathetic activation by heart rate variability (HRV).
目的用心率变异性分析探讨地氟醚交感兴奋作用的发生机制。
Methods: heart rate variability (HRV) and superoxide dismutase (SOD) were measured in 60 patients with paroxysmal supraventricular tachycardia before and after RFCA.
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。
Objective To study the changes of heart rate variability (HRV) in elderly patients with sleep apnea syndrome (OSAS).
目的探讨老年睡眠呼吸暂停综合征(OSAS)患者心率变异性特点及可能的发病机制。
The present paper provides an analysis of heart rate variability (HRV) under different conditions with the histogram and Poincare map on 8 healthy dogs.
用间隔直方图与轨迹图，对处于各种状态下的8条草犬心电信号的R - R间隔波进行分析。
AIM: To study the effect of obesity degree on heart rate variability (HRV), and explore the reasons why obesity can increase the risk of cardiovascular disease.
目的：了解肥胖程度对心率变异性的影响，探讨肥胖增加心血管疾病风险的原因。
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