患者，男，25岁，扁桃体摘除术后，出现发热，心力衰竭症状。血培养结果在血平板上有草绿色溶血环的小菌落，镜检为革兰阳性链状球菌。诊断为亚急性心内膜炎，该细菌来自何处

试卷相关题目

SQL Error: select id,body,options from ***_enewstiku where sourceid='24316' and id < 2098802 and id<>'2098802' order by id desc limit 5 SQL Error: select id,body,options from ***_enewstiku where sourceid='24316' and id > 2098802 and id<>'2098802' order by id asc limit 5