纪大妈今年62岁,患糖尿病。最近还总是腿肚抽筋,睡到半夜常常因为腿抽筋让她从梦中惊醒,钙片之类的也吃了不少,可是腿抽筋还是时不时光顾。纪大妈只好向大夫咨询,这补钙了为什么还是抽筋呢?补钙也没用,大夫建议她检查一下肾功能,肌酐、尿素氮均升高, Aunt Ji 62-year-old suffering from diabetes. Recently, she always cramps her calves. She often sleeps in the middle of the night because her leg cramps make her awake from a dream. She also ate a lot of calcium tablets and the like, but the leg cramps are still patronizing from time to time. Ji Aunt had to consult the doctor, which is why calcium or cramps it? Useless calcium, the doctor advised her to check the renal function, creatinine, urea nitrogen were elevated,