chronotropic

Effects of exercise training on chronotropic function in patients with essential hypertension

运动对高血压患者心脏变时性功能的影响

The chronotropic incompetence in patients with 2 type diabetes mellitus

2型糖尿病患者的心率变时性功能不全及其意义

Diagnositic Efficacy Study of Chronotropic Response Index for Coronary Artery Disease

变时性指数对冠心病诊断效能的研究

Negative chronotropic effect of calcium on the sinus node of rabbits

高钙对兔窦房结的负性变时作用

Clinical study on chronotropic incompetence of treadmill exercise testing and coronary artery disease

平板运动试验与心脏变时功能不全对冠状动脉病变的诊断价值

What 's the rate for a twin room ? positive sinoatrial chronotropic effect

双人房费率是多少？正性窦房性心率作用

Effects of sinomenine on isoprenaline and calcium mediated positive chronotropic action

青藤碱对异丙肾上腺素、组胺及氯化钙正性频率作用的影响

Prognostic significance of chronotropic response to dobutamine stress echocardiography in patients with peripheral arterial disease

外周动脉疾病患者对多巴酚丁胺负荷超声心动图检查变时性反应的预后意义

The Negative Chronotropic Effect of Isorhynchophylline and Its Mechanism

异钩藤碱的负性变时作用及其机理的探讨

MD also showed some positive chronotropic action , although this is much weaker than that of ISO .

MD也有一定的正性频率作用，但比ISO弱得多；

An Investigation into the Progression of Heart Chronotropic Incompetence

心脏变时功能不全的研究进展

Conclusion : ① Hypothalamic TRH can produce positive inotropic and chronotropic response to myocardium .

结论：①下丘脑TRH对心脏有正性变时、变力作用。

Intravenous injection of B-7601 produced the negative chronotropic and dromotropic action in rats .

静注B-7601大鼠心脏呈现负性频率作用和负性传导作用。

The inotropic and chronotropic effects of naloxone on isolated atria

纳络酮对离体心房肌收缩力及搏动频率的作用

CONCLUSION : Mel possesses a biphasic effect on left atria and a positive chronotropic effect on right atria .

结论：Mel对离体豚鼠左心房收缩具双向作用，对右心房具正性频率作用。

Sustained ectopic atrial rhythm with sufficient chronotropic function : clinical characteristics , electrophysiologic mechanisms and its radiofrequency catheter ablation

具有良好变时作用的持续性房性异位心律：临床特征、电生理机制及射频导管消融

Conclusions The results showed that SK induces positive inotropic and negative chronotropic response accompanying the decrement of PP.

结论SK对离体大鼠心脏有正性变力及负性变时效应，并可使灌注压降低。

Cavernous sinus thrombophlebitis positive sinoatrial chronotropic effect

正性窦房性心率作用

Negative chronotropic response to low-dose atropine is associated with parasympathetic nerve-mediated cardiovascular response in postoperative patients with congenital heart disease

先天性心脏病术后患者应用小剂量阿托品引起的负性变时效应与副交感神经介导的心血管反应有关

Positive Chronotropic and Inotropic Effects by Urocortin and Expression of CRF-R2 β mRNA in the Heart

Urocortin正性频率和正性肌力作用以及心脏CRF-R2βmRNA表达的研究

A more closed relation was found between chronotropic index and stenosis in the right coronary artery ( OR 26.21 , p P < 0.01 ) .

相关性分析显示心脏变时指数阳性与右冠状动脉病变的相关性更好（OR26.21，P＜0.01）。

40 patients received DDD pacemakers , 28 of them were complete A-V conduction block and normal atrial chronotropic response .

安置DDD起搏器40例，28例为心房变时性反应正常的完全性房室传导阻滞。

Chronotropic drug infusions are recommended as an alternative to pacing in symptomatic and unstable bradycardia .

有异常症状与不稳定生命徵象的心缓，增快心率的药物输注可以为起博的第二选择。

In patients with chronotropic incompetence of the sinus node , the DDD pa-cing won 't provide rate response .

窦结变速不全的患者，则DDD型起搏不能随运动而增加起搏率。

CONCLUSION : GST exerted a negative chronotropic action and induced a delayed repolarization of pacemaker cells in SA nodes of rabbits .

结论：GST对家兔窦房结具有负性变时作用，并可延长复极化时程。

Conclusion Ana was shown to decrease the myocardial contractility and slow down the heart rate , denoting negative inotropic as well as negative chronotropic action .

结论Ana使离体大鼠心肌收缩力降低，心率减慢，表现出负性肌力和负性频率作用；

Hypothalamic endogenous cholinergic transmitter can produce negative chronotropic and positive inotropic response to myocardium . Hypothalamic TRH mediates cardiac function maybe partly through cholinergic M receptor .

下丘脑内源性胆碱能递质对心脏有正性变时但负性变力的作用，下丘脑TRH调节心功能可能部分通过胆碱能M受体通路。

Neuropeptide Y ( NPY ) has the strong cardiovascular effects . It not only has direct and indirect vasoconstrictor effects but also has inotropic and chronotropic effects on the myocardial cells .

神经肽Y（NPY）具有强大的心血管活性作用，它既可直接或间接作用于血管平滑肌细胞增强缩血管功能，又可作用于心肌细胞，影响心肌舒缩活性。

These results suggest that the negative chronotropic and inotropic responses to 293B in the right atrium of the dog are not related to muscarinic receptor and β - adrenoceptor .

上述结果提示，在犬右心房组织中，293B的负性频率和负性肌力作用与M胆碱能受体和β-受体无关。

Conclusion : Endogenous catecholamine mediates the arrhythmogenic , positively chronotropic and inotropic effects of IL-2.IL-2 at 200 U / ml inhibits the cardiac function in the isolated rat heart .

结论：内源性儿茶酚胺介导了IL2的致离体心脏心律失常、正性变时和变力作用，较高浓度的IL2抑制离体心脏的功能。