患者女,33岁,因多饮、多尿6个月,四肢轻瘫两次,于1981年3月25日入院。患者从1980年10月起感烦渴、多饮、多尿,周身无力。于1981年1月上述症状加重,并出现四肢轻瘫。门诊查血钾为2.7毫当量/升,补钾后症状缓解。入院前一周再次出现四肢轻瘫,为进一步诊治而收住院。查体:体温37℃,脉搏80次/分,血压120/80毫 Female, 33 years old, due to drink more, polyuria for 6 months, limbs paralyzed twice, on March 25, 1981 admission. Patients from October 1980 since the flu polite, drink more, more urine, whole body weakness. In January 1981 the above symptoms worsened, and limbs paresis. Out-patient check potassium 2.7 mEq / liter, potassium symptoms relieved. One week before admission again appear limbs paresis, hospital for further diagnosis and treatment. Physical examination: body temperature 37 ℃, pulse 80 beats / min, blood pressure 120/80 milliliter