患者，男，44岁。发作性心慌、心悸2天。心电图诊断为心房扑动，心房率320次ARIN，心室率160次/min，呈2:1下传0下列治疗措有效的是

试卷相关题目

SQL Error: select id,body,options from ***_enewstiku where sourceid='29028' and id < 2362921 and id<>'2362921' order by id desc limit 5 SQL Error: select id,body,options from ***_enewstiku where sourceid='29028' and id > 2362921 and id<>'2362921' order by id asc limit 5