HRV分析和心血管反射试验之间存在着较强的相关性。
特别是老年人，心功能减退、血管硬化及血压反射调节功能障碍，餐后多出现血压下降等现象。
Especially to old people the heart function fails vascular sclerosis and blood pressure reflect the regulating function obstacle blood pressure decline appear more if doing a sport after the meal.
目的探讨介入治疗心脏病致血管迷走神经反射的预防和护理措施。
Objective To study the prevention and nursing of blood vessel vagus reflex caused by interposed treatment of heart disease.
反射光随着血管的氧合与去氧合状态的切换而改变，显示了大脑活动水平。
The reflected light changes depending on whether the blood vessels at that point are oxygenated or depleted of oxygen, showing the level of brain activity.
本文建立了有血管存在的生物分层组织模型，在此基础上首次分析了血液的存在及流动对测量探头反射系数的影响。
Simulation results show that: a the blood vessels in layered tissues may have a great influence on the reflection coefficient.
把电磁波施加到患者血管，并且分析反射电磁波的多普勒偏移，所述多普勒偏移表明存在脉搏。
Electromagnetic waves are applied to a patient blood vessel and the reflected electromagnetic waves are analyzed for a Doppler shift, which is indicative of a pulse.
肺血管是压力反射效应器的一部分，立位应激时的压力反射很大程度上控制着肺循环的阻力和容量。
Pulmonary vascular is an effector of baroreceptor reflex, which can exert significant control of pulmonary resistance and capacitance after orthostatic challenge.
研究高位脊髓损伤慢性期心血管系统的可塑性变化，探讨发生自主神经反射异常的机理。
To explore the mechanism of autonomic dysreflexia by making investigation of the plastic change of cardiovascular system in the chronic stage of high level spinal cord injured rats.
目的评价血管迷走性晕厥患者的压力反射器功能。
Objectives To study the baroreflex function in patients with vasovagal syncope.
心房钠尿肽和血管升压素可能在压力感受性反射活动的中枢调节中起协同作用。
ANP and AVP probably make synergic reaction in the central regulation of the activity of baroreflex.
目的：我们的目标将是研究经股动脉行心脏介入诊疗过程中血管迷走反射发生率、发病机制及相关因素。
Objective: the aim is to investigate incidence, mechanisms and risk factors of the vasovagal reaction during cardiac interventional therapy.
然而，我相信越来越多的心脏专家会条件反射性的采取这样的做法，一旦看到血管闭塞就去实施扩张。
However, I believe that more and more cardiologists are acting on reflex - they see an occlusion and they dilate it. This is wrong.
然而，我相信越来越多的心脏专家会条件反射性的采取这样的做法，一旦看到血管闭塞就去实施扩张。
However, I believe that more and more cardiologists are acting on reflex - they see an occlusion and they dilate it. This is wrong.
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