患者男性 ,6 8岁。近两月出现四肢麻木、双下肢浮肿 ,伴心悸 ,胸闷入院 ,既往有糖尿病史 14年 ,多饮多食反复发作 ,尿糖高达 ++++,尿蛋白 ++。入院前 4个月没有进行胰岛素治疗 ,无任何药物过敏史。体检 :血压 12 0 / 80ｍｍＨｇ ,心率 80次 /ｍｉｎ ,神志清醒 ,营养状态好 ,步? Male patient, 6 8 years old. Nearly two months of limb numbness, edema of both lower extremities, with heart palpitations, chest tightness and admission, past history of diabetes for 14 years, repeated episodes of drinking more, urine up to ++++, urinary protein ++. 4 months before admission, no insulin treatment, no history of any drug allergy. Physical examination: blood pressure 12 0 / 80mmHg, heart rate 80 beats / min, conscious, good nutritional status, step?