例1，男，25岁。因发作性四肢无力12年，加重半月入院。自13岁始出现发作性四肢无力，多为清晨或午睡醒时发作，每次发作持续时间不等，数小时至1～2天，且月发作6～10次。发作时神志清，到多家医院就诊，均诊断为低钾性周期性麻痹（以下简称低钾周麻），给补钾治疗而缓解。近 Example 1, male, 25 years old. Due to episodes of weakness 12 years, increased half a month admitted to hospital. Since the age of 13, onset episodes of limb weakness, mostly early morning or nourished woke up episodes, each episode duration ranging from a few hours to 1 to 2 days, and 6 to 10 episodes per month. Seizures delirious, to a number of hospitals for treatment, were diagnosed as hypokalemic periodic paralysis (hereinafter referred to as hypokalemia week) to give potassium treatment and ease. near