P. tea. In higher concentration they can all inhibit heart beat and make heart beat stop in contraction state. When the Ringer'sfluid is infused, the heart beat can revive.
高浓度时均能抑制心脏的搏动，使心脏停止于收缩状态，更换任氏液后心脏的搏动可以恢复。
2
Intravenous fluid therapy with a balanced salt solution should be initiated. Ringer's lactate solution is preferred as the initial crystalloid solution and should be administered rapidly.
开始即应采取静脉内输入平衡盐溶液的液体疗法，首先应快速输入晶体液——首选林格氏乳酸盐溶液。
3
E. Intravenous fluids. IV fluid during labor is usually Ringer's lactate or 0.45% normal saline with 5% dextrose.