正常心电图P波方向倒置的导联是（ ）。

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SQL Error: select id,body,options from ***_enewstiku where sourceid='25394' and id < 2139773 and id<>'2139773' order by id desc limit 5 SQL Error: select id,body,options from ***_enewstiku where sourceid='25394' and id > 2139773 and id<>'2139773' order by id asc limit 5