14个月男婴,因腹泻3天就诊,大便每日10余次,量中,蛋花汤样。大便常规:少量白细胞。入院后病情加重,伴有呕吐、无尿。体检:T38.5℃,前囟、眼窝凹陷,精神稍萎,面色苍灰,口唇樱红,呼吸深快,皮肤弹性差,哭无泪,四肢皮肤冰凉,有花纹。查血白细胞6.0×109/L,血Na+128mmol/L,K+3.6mmol/L,CO2CP10mmol/L。
紧急的治疗应给()
A.1:1液20ml/kg,静脉推注
B.3:2:1液180ml/kg,静脉滴注
C.3:1液150ml/kg,静脉滴注
D.2:1等张含钠液20ml/kg,静脉推注
E.1.4%NaHCO50ml/kg,静脉推注