某患者在一码头食冷稀饭一碗，次日突起腹泻，一天20余次，继之呕吐，无明显腹痛。查体：体温36.5℃，中度失水，血压75/53mmHg，大便镜检：WBC0～1个HP，疑为霍乱。应考虑做那项检查确诊

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SQL Error: select id,body,options from ***_enewstiku where sourceid='28515' and id < 2328421 and id<>'2328421' order by id desc limit 5 SQL Error: select id,body,options from ***_enewstiku where sourceid='28515' and id > 2328421 and id<>'2328421' order by id asc limit 5