男性，35岁。反复上腹痛伴反酸15年，疼 痛于空腹时加重，饭后缓解，近来疼痛加剧，服抗酸药等不能缓解。近7天来上腹痛伴呕吐， 呕吐有酸臭味。为明确诊断，该患者需采取的措施是

试卷相关题目

SQL Error: select id,body,options from ***_enewstiku where sourceid='31867' and id < 2547885 and id<>'2547885' order by id desc limit 5 SQL Error: select id,body,options from ***_enewstiku where sourceid='31867' and id > 2547885 and id<>'2547885' order by id asc limit 5