...onal adj ustment) 心率加快(increased heart rate) 增加前负荷(increased preload) 心肌收缩能力增强(increased contractility) (一) 心率加快 (Increased heart rate) 机制 压力感受器 容量感受器 交感神 经兴奋 心率↑ 利 在一定范围内,心输出量↑ 弊 心率...
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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.
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