对于心脏超声造影检査的作用，以下说法 中错误的是

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SQL Error: select id,body,options from ***_enewstiku where sourceid='31769' and id < 2539896 and id<>'2539896' order by id desc limit 5 SQL Error: select id,body,options from ***_enewstiku where sourceid='31769' and id > 2539896 and id<>'2539896' order by id asc limit 5