例1。过某,女性,25岁,未婚,工人。因疲乏无力半月余,眼睑下肢浮肿一周于1977年6月22日入院。半月前无诱因自感纳差,阵发性心慌头晕、关节疼痛、晨起眼睑浮肿、双下肢呈凹陷性水肿。无腰痛,无尿频、尿急、尿痛、尿量减少等症状。在当地卫生所就诊,查尿常规蛋白+++、红细胞7—14/40×,白细胞2—4/40×,以急性肾炎入院。既往有关节疼痛历史,父母健存 example 1. Someone, female, 25 years old, single, worker. Due to fatigue and weakness more than half a month, swelling of the lower eyelid a week in June 22, 1977 admission. No incentive for a half months before and after anorexia, paroxysmal palpitation dizziness, joint pain, morning eyelid edema, depression of the lower limb was edema. No back pain, no urinary frequency, urgency, dysuria, decreased urine output and other symptoms. Visit a local health clinic, check urine routine protein +++, red blood cells 7-14 / 40 ×, white blood cells 2-4 / 40 ×, admission to acute nephritis. Past history of joint pain, parental health