四腔心切面显示右心房、右心室内径增 大，疑有房间隔缺损，彩色多普勒显示心 房水平分流，下列切面最能清楚地显示分 流信号的是

试卷相关题目

SQL Error: select id,body,options from ***_enewstiku where sourceid='31769' and id < 2539948 and id<>'2539948' order by id desc limit 5 SQL Error: select id,body,options from ***_enewstiku where sourceid='31769' and id > 2539948 and id<>'2539948' order by id asc limit 5