Conclusion cardiac function of parturients up-regulates during the delivery stress, mobilizing both cardiac contractility reserve and heart rate reserve.
结论产妇在分娩这一应激过程中心脏功能上调，同时动用了心力储备和心率储备。
2
Conclusion Variation of different dosages of ethanol on the heartcontractility, plasma no content and ATP enzyme activity in erythrocytes of rabbits models are obvious.
结论乙醇处理家兔在体心脏收缩力和血浆NO含量及红细胞膜atp酶活力均有变化。
3
Conclusion the cardiac reserve at high altitude is mainly cardiac contractility reserve rather than heart rate reserve.