Hyponatremia Differential Diagnosis Table



 • Step 1: Correct for hyperglycemia. Corrected Na = [(glucose - 100)/ 100] x 1.6; and repeat BMP

 • Serum Osm

 • Urine Osm

 • Na (FeNa)

 • Volume status (marker of total body Na content)



Matthew Ho, MD PhD @MatthewHoMD



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