糖尿病酮症酸中毒是糖尿病急性并发症,也是内科常见急症之一。常见诱因有感染、胰岛素治疗中断或不适当减量、饮食不当、创伤、手术、妊娠和分娩。1临床特点多数患者在发生意识障碍前数天有多尿、烦渴多饮和乏力,随后出现食欲减退、恶心、呕吐,常伴头痛、嗜睡、烦躁、呼吸深快, Diabetic ketoacidosis is an acute complication of diabetes, is also one of the common medical emergency. Common causes of infection, interruption or inappropriate treatment of insulin, improper diet, trauma, surgery, pregnancy and childbirth. Clinical features Most patients have polyuria, polydipsia and fatigue several days before the onset of disturbance of consciousness, followed by loss of appetite, nausea, vomiting, often accompanied by headache, drowsiness, irritability, deep breathing,