主动脉瓣区第二心音增强，可见于(    )

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SQL Error: select id,body,options from ***_enewstiku where sourceid='26326' and id < 2201099 and id<>'2201099' order by id desc limit 5 SQL Error: select id,body,options from ***_enewstiku where sourceid='26326' and id > 2201099 and id<>'2201099' order by id asc limit 5