患者男,35岁,纳合小学教师。1992年5月26日晚6时,饮用田螺约250g、面条100g。3小时后出现胃部不适、恶心,呕吐(呕出胃内容物,吐4次),腹痛(脐周及下腹部),5小时后腹痛,腹泻明显,恶心,呕吐加剧,有里急后重感,继之解出血性水样便,乏力而急诊入院。入院检查:T38.2℃,R18次/min,P90次/min,BP13/9kPa,心率90次/分,律整,两肺呼吸音清。急性病客,腹平,无压痛和叩痛。肠鸣 Male patient, 35 years old, satisfied with primary school teacher. At 6 o’clock on May 26, 1992, about 250g of snail drink, 100g of noodles. After 3 hours, he developed stomach discomfort, nausea and vomiting (vomit the contents of the stomach and vomited 4 times), abdominal pain (umbilical cord and lower abdomen), abdominal pain after 5 hours, obvious diarrhea, increased nausea and vomiting, The solution of hemorrhagic watery stool, fatigue and emergency admission. Admission examination: T38.2 ℃, R18 times / min, P90 times / min, BP13 / 9kPa, heart rate 90 beats / min, law, lung breath sounds clear. Acute patients, abdominal flat, no tenderness and percussion pain. Bowel sounds