急性失血时，血红血状血细胞及血浆的蛋白同时损失，早期血容量还没有代偿到恢复，数值形成类似「浓缩 」的映贫原理，因此血容量减少明显，血红血状血红蛋白含量下降不明显。蛋白
经过液体复苏或者液体重新分布后，数值血管内容量恢复（全血容量得到纠正），映贫此时血红蛋白含量会明显下降，血红血状表现为失血，蛋白而并不代表仍处于失血状态。数值
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