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患儿男,1岁。腹泻、呕吐4~5天,12小时无尿。体检:神志模糊,面色 苍白,口唇,呼吸深快,前囟、眼窝深凹,无泪,皮肤弹性差,四肢厥冷,脉搏细弱。紧急治疗是A.
1:1含钠溶液20ml/kg,静脉注射
B.
3:2:l含钠溶液180m1/kg,静脉滴注
C.
3:1含钠溶液1 50ml/kg,静脉滴注
D.
2:l等钠溶液20ml/kg,静脉注射
E.
4%NaHCO3溶液50ml/kg,静脉注射
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