王先生近一个月以来不思饮食,开始以为是工作劳累,未予在意。后来症状逐渐加重,并出现头昏、四肢乏力等症状。半月前,患者就诊于查电解质,示严重的低钠血症,遂收入神经内科。进一步检查发现,王先生右肺有占位病变且多处转移。据湖北省抗癌协会癌症康复与姑息治疗专业委员会副主任委员高建飞教授介绍,低钠血症是临床上较常见的电解质紊乱,主要原因包括钠摄入减少、出汗、胃肠道失液、肾脏疾病、心力衰竭、颅脑手术后、肾上腺皮质 Mr. Wang did not think diet for nearly a month, and began to think that it was work fatigue and did not care about it. Later symptoms gradually aggravated, and dizziness, limb weakness and other symptoms. Half a month ago, the patient visited the electrolyte, showed severe hyponatremia, then income neurology. Further examination found that Mr. Wang has lesions in the right lung lesions and multiple metastasis. According to Professor Jian-Fei Gao, associate director of Cancer Rehabilitation and Palliative Care Professional Committee of Hubei Anti-Cancer Association, hyponatremia is a more common electrolyte disorder in clinic. The main reasons include decreased sodium intake, sweating, fluid loss of gastrointestinal tract, Kidney disease, heart failure, craniocerebral surgery, adrenal cortex