男性，35岁。服用吲哚美辛10片后胃痛，今晨呕咖啡样胃内容物约250ml来诊，既往无胃病史。则首选的检查为

试卷相关题目

SQL Error: select id,body,options from ***_enewstiku where sourceid='26463' and id < 2210054 and id<>'2210054' order by id desc limit 5 SQL Error: select id,body,options from ***_enewstiku where sourceid='26463' and id > 2210054 and id<>'2210054' order by id asc limit 5