D2I2.
metabolic

Hyponatraemia

Hyponatremia or hyponatraemia is a low concentration of sodium in the blood. It is generally defined as a sodium concentration of less than 135 mmol/L (135 mEq/L), with severe hyponatremia being below 120 mEq/L. Symptoms can be absent, mild or severe. Mild symptoms include a decreased ability to think, headaches, , and poor balance. Severe symptoms include confusion, , and coma; death can ensue.

Underlined words are explained — tap any of them.

Symptoms — what it feels like

  • ·Decreased ability to think, headaches, , poor balance, confusion, , coma

How it's found

  • ·Serum sodium < 135 mmol/L

Treatment

  • ·Based on underlying cause
Plain-language summary adapted from Wikipedia. Not medical advice.