患者，男，28岁，反炱出现右季肋部胀痛，并伴寒战、高热。为明确诊断，首选的检 查是（ ）

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SQL Error: select id,body,options from ***_enewstiku where sourceid='28453' and id < 2324274 and id<>'2324274' order by id desc limit 5 SQL Error: select id,body,options from ***_enewstiku where sourceid='28453' and id > 2324274 and id<>'2324274' order by id asc limit 5