Hyponatremia - Differential Algorithm

Isotonic Hyponatremia: Hyperlipidemia, Hyperproteinemia, Recent TURP

Hypotonic Hyponatremia: 

 • Hypovolemia: Diuretics/Nephropathies, Vomiting, Diarrhea, HypoAldosteronism, Sweating, Burns, Pancreatitis

 • Euvolemia: SIADH, Beer Potomania, Psychogenic polydipsia

 • Hypervolemia: Congestive Heart Failure, Liver Cirrhosis, Nephrotic Syndrome, Chronic Renal Failure, Hypothyroidism

Hypertonic Hyponatremia: Hyperglycemia, Mannitol/Glycerol, Ethylene glycol, Methanol, Isopropyl Alcohol



MH/CCF/CWRU EM Res @MetroHealth_EM



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