患者，男，1岁，胸部不适、活动后乏力就诊，超声诊断为扩张型心肌病，该疾病 以下列哪项二维超声表现为主

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SQL Error: select id,body,options from ***_enewstiku where sourceid='31784' and id < 2541125 and id<>'2541125' order by id desc limit 5 SQL Error: select id,body,options from ***_enewstiku where sourceid='31784' and id > 2541125 and id<>'2541125' order by id asc limit 5