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通过临床分析对低钠血症的防治水平。方法：总结分析４５例低钠血症患者临床特点，讨论低钠血症的临床防治要点。结果：所有患者均合并有基础疾病，中老年患者居多，主要临床表现为纳差、恶心、呕吐或腹泻，常有神经精神症状，症状的轻重取决于血钠降低的程度和速度，７１％的患者使用了利尿脱水剂，３５．６％的患者误诊。结论：低钠血症临床表现无特异性，对老年慢性病患者并发明显消化道症状及神经精神改变，要警惕低钠血症，慎用利尿脱水剂。
Through clinical analysis of the level of prevention and treatment of hyponatremia. Methods: To summarize the clinical features of 45 patients with hyponatremia and to discuss the main points of prevention and treatment of hyponatremia. Results: All patients had underlying diseases, most of them were middle-aged and elderly patients. The main clinical manifestations were anorexia, nausea, vomiting or diarrhea. They often had neuropsychiatric symptoms. The severity of symptoms depended on the extent and speed of hyponatremia, and 71% Patients used diuretic dehydration agent, 35.6% of patients misdiagnosed. Conclusion: The clinical manifestations of hyponatremia are nonspecific. Patients with chronic diseases of the elderly complicated with obvious gastrointestinal symptoms and neuropsychiatric changes should be alert to hyponatremia and be careful with diuretic dehydrating agent.