患者流行性出血热,病程第5天,出现频繁呕吐,腹胀,乏力,四肢松软,腱反射迟钝,肠鸣音减低,心电图示T波低平,可见U波,ST段降低。下列治疗最有效的是( )。
A campus emergency ______ occur at any time of the day or night, weekend, or holiday, with little or no warning.
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