患者女,4岁,因反复发作周期性呕吐7个月,频繁呕吐3天于1991年11月8日入院.每次呕吐发作3～4天,吐后精神萎糜,经对症治疗吐止,曾作脑脊液检查正常.本次呕吐3天并伴阵发性脐周疼痛,无发热及腹泻.体检:生长发育正常,神志清,瞳孔等大、圆、光反应灵敏,颈软,心肺听诊正常范围,全腹平软无压痛,神经系统无病理征.实验室检查:血钠125mmol/L,其他电解质正常.心电图、头颅CT检查均正常.给补液、纠正电解质及其他对症治疗于入院 Female, 4 years old, recurrent episodes of recurrent vomiting for 7 months, frequent vomiting 3 days admitted to hospital on November 8, 1991. Each episode of vomiting 3 to 4 days after vomit spirit spit, after symptomatic treatment of spitting, Had cerebrospinal fluid was normal. The vomiting for 3 days and with paroxysmal umbilical pain, no fever and diarrhea. Physical examination: normal growth and development, clear consciousness, pupil and other large, round, light sensitive, soft neck, cardiorespiratory auscultation normal Range, the whole abdomen flat soft without tenderness, the nervous system without pathological signs .Laboratory examination: serum sodium 125mmol / L, other electrolytes normal .Electrocardiogram, cranial CT examination are normal.Rehydration, correct electrolyte and other symptomatic treatment in admission