心电图示心率250次/min, R-R间期匀齐， 可能的诊断是

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SQL Error: select id,body,options from ***_enewstiku where sourceid='28597' and id < 2334534 and id<>'2334534' order by id desc limit 5 SQL Error: select id,body,options from ***_enewstiku where sourceid='28597' and id > 2334534 and id<>'2334534' order by id asc limit 5