变力性一词通常用来描述心肌收缩性的变化。
The term inotropic is commonly used in discussing changes in myocardial contractility.
实验动物血钙显著下降，同时出现骨骼肌抽搐和心肌收缩性下降。
The twitch of their limbs and the decreasing contractility of myocardium arised simultaneously in all animals during hypocalcemia.
结论：钙增敏剂可逆转内毒素休克所致的心肌收缩蛋白对钙反应性的降低，改善内毒素休克机体的心肌收缩性能。
Conclusion: Calcium sensitizer can reverse the reduced responsiveness of myocardium to Ca2 + and improve myocardial contractility after endotoxic shock.
耐力型运动心脏内分泌改变对于增强心肌收缩性，增强心肌有氧能力，调节机体能量节省化状态和储备力有重要意义。
The endocrine changes of endurance athletic heart have essential significance for the enhancement of myocardial contractility, aerobic endurance, and reserve.
结论：山参果汁总皂苷具有负性肌力和负性频率作用，即抑制心肌收缩和舒张功能，减慢心率、降低动脉血压。
Conclusion WGFS has the effects of negative frequency named restraining cardiac muscle contraction and stretch function, and reducing rhythum of the heart and blood pressure.
结果表明：中枢性心律失常时，各种异位心律产生的心肌收缩力均较窦性心律下降。
Results suggest that the level of the myocardial contractility with ectopic arrhythmia was lower than that of the sinus rhythm.
结论在同等主观用力的前提下，冠心病患者等长收缩运动时心肌缺血发生率低于动力性运动。
Conclusion Incidence of myocardial ischemia was lower during isometric exercise than dynamic exercise at similar perceived exertion in patients with CAD.
过敏性休克时心肌收缩力减弱，小血管扩张，毛细血管通透性增加。
When allergic shock the cardiac muscle shrinkage force is weaken, the minute vessel expands, the blood capillary permeability increases.
结论：XT通过阻滞豚鼠左房肌的电压依赖性和受体调控性钙通道而发挥抑制心肌收缩力的作用。
Conclusion: XT blocked not only the voltage dependent calcium channel, but also the receptor operated calcium channel in the isolated guinea pig atria.
运动员的心室顺应性较好，心肌收缩力较强；
Myocardial contractility and cardiac compatibility are better in athletes;
结论微血管性心绞痛是由于小冠状动脉扩张贮备降低或异常收缩而导致的心肌缺血。
Conclusion Reduced vasodilator reserve or inappropriate vasoconstriction of the coronary microvessels are implicated as causes of microvascular angina.
肥厚性心肌病与缺血性心脏病无关，但是50%的病例具有家族性并且与基因突变有关。突变基因一般为心脏收缩过程先关基因。
Hypertrophic cardiomyopathy is not related to ischemic heart disease but 50% of cases are familial and may be related to genetic mutations in genes encoding for cardiac contractile elements.
XT对哇巴因的正性肌力作用及随后出现的心肌收缩力降低的毒性反应均有明显的对抗作用。
Furthermore, XT not only attenuated the positive inotropic action, but also delayed the following toxicity response induced by ouabain in the isolated left atria.
探讨利用彩色室壁运动技术检测心内膜收缩速度进行心肌收缩速度评价的准确性。
AIM: to probe into the exactitude of color kinesis in assessing the systolic velocity of cardiac muscle.
结论左心室各节段心肌收缩及舒张速度呈现规律性的变化，年龄对各节段心肌收缩舒张运动速度有明显的影响。
Conclusion Peak velocities of different segments at different walls change regularly and age was the most important influencing factor to the diastolic velocities.
急性心肌梗死；收缩性心力衰竭；重组人B型利钠肽；硝酸甘油。
Acute myocardial infarction; Systolic heart failure; Recombinent human Btype natriuretic peptide; Nitroglycerin.
目的：探讨组织谐波成像（THI）后应用超声背向散射积分（IBS）评价陈旧性心肌梗塞（OMI）心肌残存收缩能力的优点。
Objective:To study integrated backscatter(IBS)by tissue harmonic imaging(THI)to assess myocardial viability in patients with old myocardial infarction(OMI).
结果提示：海水浸泡可严重影响火器伤合并失血性休克血流动力学，长时间海水浸泡可降低心肌的兴奋性、收缩性和顺应性。
These results showed that seawater immersion could disturb the hemodynamic status in rats subjected to fire-arm injury combined with hemorrhagic shock.
结果：分化细胞中可见节律性收缩的细胞，经超微结构分析和免疫细胞学鉴定为心肌细胞。
RESULTS:Rhythmically contracting cells were observed among differentiated cells, which were proved to be cardiomyocytes with electron microscope and immunocytochemistry.
结果：分化细胞中可见节律性收缩的细胞，经超微结构分析和免疫细胞学鉴定为心肌细胞。
RESULTS:Rhythmically contracting cells were observed among differentiated cells, which were proved to be cardiomyocytes with electron microscope and immunocytochemistry.
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