病史：患者系21岁女性，发现肾功能损害3年余，双下肢水肿3个月，胸闷，呕吐3天。现稍感头晕，-History: 21-year-old female patient Department, 3 renal dysfunction was found more than a year, double lower extremity edema 3 months, chest tightness, vomiting three days. Now find a little dizziness,