Hyponatremia Differential Diagnosis Algorithm - Utilizing Uric Acid ADH promotes Urea/uric acid excretion along with water retention 1) Serum Osmolarity 2) Urine Osmolarity 3) Urine Sodium 4) Serum Uric Acid - Low Uric Acid → SIADH - High Uric Acid → renal salt wasting By Rachel Stern MD #Hyponatremia #Differential #Diagnosis #Algorithm #nephrology #sodium #low #uricacid