先证者:男,23岁。因反复双下肢无力伴血压升高1年余,拟“高血压、低血钾”收治入院。患者(Ⅲ-8)于一年前体检发现血压升高,偶有头晕发作。一个月后无明显诱因出现双下肢乏力,抬腿困难,可自行缓解,无呼吸困难,无头痛头晕、胸闷心悸,无呕吐腹泻,无夜尿增多。5个月后再次出现双下 Proof: male, 23 years old. Due to repeated weakness with lower extremity with elevated blood pressure more than 1 year, to be “high blood pressure, hypokalemia” admission admitted. The patient (III-8) experienced a rise in blood pressure a year ago at a physical examination and occasional dizziness. There is no obvious incentive to appear after a month of lower extremity weakness, leg difficulties, relieve themselves, no breathing difficulties, no headache and dizziness, chest tightness, heart palpitations, no vomiting diarrhea, no increase in nocturia. Five months after the double again