肠扭转
麦氏点
呕吐量大，多为隔夜食物，有酸臭味，呕吐后症状减轻()呕吐物不含隔夜食物，解痉药可缓解梗阻()呕吐物有隔夜食物、不臭，伴贫血、消瘦() ["A．瘢痕性幽门梗阻","B．活动性溃疡致幽门痉挛水肿","C．胃癌致幽门梗阻","D．高位肠梗阻","E．低位肠梗阻"]
提示阑尾炎波及盆腔()坏疽性阑尾炎检查可发现() ["A．结肠充气试验阳性","B．右下腹固定而明显压痛区","C．腰大肌试验阳性","D．直肠指检触痛","E．右下腹局限性压痛、反跳痛"]
肠绞窄()肠麻痹() ["A．呕吐血性液","B．呕吐食物","C．呕吐粪性液","D．溢出样呕吐","E．呕吐胆汁"]
直肠癌为()肠套叠为()
