前壁心肌梗死出现特征性心电图改变的导联是

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SQL Error: select id,body,options from ***_enewstiku where sourceid='30587' and id < 2467934 and id<>'2467934' order by id desc limit 5 SQL Error: select id,body,options from ***_enewstiku where sourceid='30587' and id > 2467934 and id<>'2467934' order by id asc limit 5