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. 2017 Mar 13;2017:16-0147. doi: 10.1530/EDM-16-0147

Table 3.

Classification of hyponatraemia based on symptoms (according to guidance from European Hyponatraemia Guideline Development Group) (5).

Classification Symptoms
Moderately severe symptoms Nausea
Confusion
Headache
Severe symptoms Vomiting
Abnormal somnolence
Seizures
Coma