P-P规则，R-R规则，P-R不固定，QRS频率快于P频率

试卷相关题目

SQL Error: select id,body,options from ***_enewstiku where sourceid='30588' and id < 2467995 and id<>'2467995' order by id desc limit 5 SQL Error: select id,body,options from ***_enewstiku where sourceid='30588' and id > 2467995 and id<>'2467995' order by id asc limit 5