肝病时的钾代谢紊乱主要为低钾血症。据报告重症肝病时体内钾储备显著降低,低钾血症常见,其发生率为3.40～31.58％。病因:低钾血症的病因,可分为三大类: 一、钾的摄入不足:禁食或厌食是常见原因。肝病时可有食欲不振、腹胀、致使钾的摄入不足。晚期肝硬化时体内钾储备显著降低,补钾 Potassium metabolism disorder in liver disease is mainly hypokalemia. According to the report of severe liver disease in vivo potassium reserve was significantly lower, hypokalemia common, the incidence was 3.40 ~ 31.58%. Etiology: The cause of hypokalemia can be divided into three categories: First, inadequate intake of potassium: fasting or anorexia is a common cause. Liver disease may have loss of appetite, bloating, resulting in insufficient potassium intake. In late stage of liver cirrhosis, the potassium reserve is significantly reduced, potassium supplement