Critically ill children with hyponatremia and hypernatremia

Hyponatremia and hyponatremia are the most common diseases in the PICU, which are easily lead to serious complications.If severe hyponatremia, hypernatremia or high sodium crisis happened, it can be expressed as repeated convulsions, coma and other serious neurological symptoms, even life-threatening.The most causes are diarrhea disease, intracranial disease, the heat syndrome and so on.We can formulate the best management method of these disease based on they different causes, pathogenesis, clinical manifestations and clinical manifestations. Key words: Critically illness; Hyponatremia; Hypernatremia; Children,