Hyponatraemia
The normal serum sodium level is 135–145 mmol/L. Hyponatraemia refers to serum sodium levels of<135 mmol/L, and serum sodium of<120 mmol/L is considered severe.
The normal serum sodium level is 135–145 mmol/L. Hyponatraemia refers to serum sodium levels of<135 mmol/L, and serum sodium of<120 mmol/L is considered severe.