龚某,男,出生35天,1980年7月10日下午4时急诊入院,住院号2001。患儿为足月顺产,出生后饮食、睡眠正常。八天前因患脓疱疮用土霉素0.5克(一日量)治疗。四天后突然频频呕吐奶汁,日40～50次,呈喷射状,两天后吐止。无发热、腹泻。全身皮肤苍白,拒乳,时有惊跳,精神渐差。检查:发育营养中等,体温36.4℃,神志欠清,急重病容。全身皮肤明显苍白,巩 Gong Mou, male, was born 35 days and was admitted to the hospital by emergency at 4 pm on July 10, 1980. The hospital number was 2001. The children were full-term and had normal diet and sleep after birth. Eight days ago, 0.5 grams of oxytetracycline was used for treatment of impetigo. Four days later, she suddenly vomited milk juice, 40 to 50 times a day, in a jet-like form, spit only two days later. No fever, diarrhea. The skin of the body was pale, milk was resisted, and the spirit was getting worse. Check: moderate developmental nutrition, body temperature 36.4°C, unconsciousness, acute illness. The body skin is obviously pale,