Diagnostic Approach to Hyponatremia

Box A:

 • Normo/hyperosmolar Hyponatremia: Glucose, Mannitol, Glycine, Contrast media, Maltose

 • Pseudohyponatremia: Triglycerides, Cholesterol, IVIG or gammapthies

 • Ineffective Osmoles: Urea, Alcohol, Ethlene Glycole

Box B: Vomiting, GCS < 8, Somnolence, Seizures, Confusion

Box C: Primary Polydipsia, Low Na intake, Beer Potomania



- Dr. Jonny Wilkinson @Wilkinsonjonny



#Hyponatremia #Diagnosis #Algorithm #workup