患者女 2 9岁。因昏迷半天急诊入院。半天前 ,病人在家中突然出现乏力、多汗 ,继神志不清。无呕吐、四肢抽搐。继往无高血压、心脏病史。近 7年病人常感头昏、乏力 ,伴有多汗 ,并逐渐丧失了劳动能力。体检 :体温不升 ,Ｐ12 0次 /ｍｉｎ ,Ｒ 2 0次 /ｍｉｎ ,ＢＰ 6 /4ｋＰａ。神 Female patient 2 9 years old. Due to coma half-day emergency admission. Half a day ago, the patient suddenly appeared in the home fatigue, sweating, following the unconscious. No vomiting, limbs and convulsions. No past history of hypertension, history of heart disease. In the past 7 years, the patient often felt dizzy and weak, accompanied by sweating, and gradually lost his ability to work. Physical examination: body temperature does not rise, P12 0 times / min, R 2 0 times / min, BP 6 / 4kPa. God