Disorders of electrolyte metabolism.
D002648:Child; D006801:Humans; D006947:Hyperkalemia / Q000209:etiology* / Q000628:therapy; D006955:Hypernatremia / Q000209:etiology* / Q000628:therapy; D007008:Hypokalemia / Q000209:etiology* / Q000628:therapy; D007010:Hyponatremia / Q000209:etiology* / Q000628:therapy; D007223:Infant