患者，男，65岁。每2周常出 现胸痛，每次持续20分钟，常 在劳累时出现，与呼吸无关， 感乏力。必须问诊的是

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SQL Error: select id,body,options from ***_enewstiku where sourceid='25975' and id < 2180279 and id<>'2180279' order by id desc limit 5 SQL Error: select id,body,options from ***_enewstiku where sourceid='25975' and id > 2180279 and id<>'2180279' order by id asc limit 5