可以用心肌收缩能力变化趋势来无创地评估体力劳动者的心力储备。
And also can use this changing tendency of the heart systole to evaluate the ability systolic of the myocardium of the manual workers.
结论高原低氧环境下心脏储备主要是心肌收缩能力储备而不是心率储备。
Conclusion the cardiac reserve at high altitude is mainly cardiac contractility reserve rather than heart rate reserve.
该研究目的在于研究不同强度有氧运动对机体脂蛋白、激素和心肌收缩能力的变化及其相互关系。
Aim: Studied the effect of aerobic exercise of different intensity on lipoprotein, hormone and myocardial contractility in SD rats. Methods: Contents of plasma high-density lipoprotein (HDL).
结果低氧高碳酸血症条件下，心交感神经传出冲动发放频率明显增加，心肌耗氧量增加，心肌收缩能力增强。
Results The simulation experiments show that cardiac sympathetic activities, cardiac oxygen consumption and myocardiac contractility increased during hypercapnia hypoxia.
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.
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).
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).
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