3岁的室间隔缺损患儿反复高热、咳嗽10 余天，胸片示肺纹理增多，小片状阴影。口腔黏 膜及胸部见散在瘀点，右手中指指腹扪及紫色 小结。为明确诊断应进一步做的检査是

试卷相关题目

SQL Error: select id,body,options from ***_enewstiku where sourceid='28596' and id < 2334346 and id<>'2334346' order by id desc limit 5 SQL Error: select id,body,options from ***_enewstiku where sourceid='28596' and id > 2334346 and id<>'2334346' order by id asc limit 5