陈某,男,20岁,战士.于1989年7月22日起畏寒、发热,病后第四天体温高达40℃,经原单位卫生所对症处理无好转.尿呈酱油色半天,暗红色大便一次,约200克.7月29日入院.既往健康.查体:体温40.5℃,脉搏108次/分,血压13.3/9.3kPa,精神萎靡,皮肤粘膜无皮疹及出血点,浅表淋巴结无肿大,巩膜轻度黄染,心肺阴性,腹软,无触痛,肝脾均在肋缘下2.0cm,质较软,无触痛、叩击痛,其余正常.实验室检查:红细胞3.5×16~(12)/L,血红蛋白100g/L,白细胞11.2×10~9/L,中性0.62,淋巴0.34,大单核0.04,嗜酸细胞计数为0.尿常规,酱油色,潜血++,蛋白+++,颗粒管型4～8/LP,粪潜血+++.肥达氏反应“H”和“O”均为1∶320(+).肝功能:黄疸指数15u,SGPT225u,TTT 2 u.肾功能:尿素氮32.1mmol/L,肌酐1194.4μmol/L。血培养 Chen, male, 20 years old, warrior. On July 22, 1989 chills, fever, the fourth day after the illness body temperature up to 40 ℃, the original unit health clinics symptomatic treatment without improvement. Red stool once, about 200 grams. July 29 admission. Past physical examination: body temperature 40.5 ℃, pulse 108 beats / min, blood pressure 13.3 / 9.3kPa, apathetic, skin and mucous membrane without rash and bleeding points, superficial lymph nodes No swelling, mild yellowish sclera, heart and lung negative, abdominal soft, no tenderness, liver and spleen are 2.0cm under the costal margin, the quality of soft, no tenderness, percussion pain, the remaining normal laboratory tests: red blood cells 3.5 × 16 ~ (12) / L, hemoglobin 100g / L, white blood cells 11.2 × 10 ~ 9 / L, neutral 0.62, lymphoid lymphocytes 0.34, large single nucleus 0.04, eosinophil count 0. Urine, soy sauce color, ++, protein +++, granular tube type 4 ~ 8 / LP, fecal occult blood +++ .Widdens’ reaction “H” and “O” SGPT225u, TTT2u. Renal function: urea nitrogen 32.1mmol / L, creatinine 1194.4μmol / L. Blood culture