Hyponatraemia – Straight to the point of care (2024) BMJ Best Practice

Description

A comprehensive overview of hyponatraemia, the most common electrolyte disorder, detailing its definition (serum sodium <135 mmol/L), epidemiology, pathophysiology, and classification. It covers the diagnostic approach, emphasizing prompt treatment for cerebral edema with hypertonic saline, and warning against the life-threatening complication of myelinolysis caused by overly rapid sodium correction.