李某,男,7岁,病案号67533。因呕吐腹泻3天,肉眼血尿1次入院。3天前因腹泻服吡哌酸治疗,每次0.5g,每日3次,连续3天。入院当日患儿突然腹痛,尿呈暗红色,急诊入院。查体:体温36.5℃,体重23kg,全身无浮肿及出血点,心肺腹及神经系统检查无阳性体征。实验室检查:尿镜检:红细胞(?),白细胞0～2;尿蛋白(?)。血色素 Lee, male, 7 years old, medical record number 67533. 3 days due to vomiting diarrhea, gross hematuria 1 admission. 3 days ago due to diarrhea dipivoxil treatment, each 0.5g, 3 times daily for 3 days. Children with sudden abdominal pain on admission, urine dark red, emergency admission. Physical examination: body temperature 36.5 ℃, weight 23kg, body edema and bleeding point, cardiopulmonary and neurological examination no positive signs. Laboratory tests: urinalysis: red blood cells (?), Leukocytes 0 ~ 2; urinary protein (?). Hemoglobin