二尖瓣频谱E峰值正常，减速度缓慢；A 峰值明显增髙，最易出现的疾病是

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SQL Error: select id,body,options from ***_enewstiku where sourceid='31771' and id < 2540045 and id<>'2540045' order by id desc limit 5 SQL Error: select id,body,options from ***_enewstiku where sourceid='31771' and id > 2540045 and id<>'2540045' order by id asc limit 5