Polyuria - Differential Diagnosis Algorithm Urine Output > 3L /day Water Diuresis (Urine Osm <100 mOsm/kg) • Primary Polydipsia • Central Diabetes Insipidus • Nephrogenic Diabetes Insipidus Mixed Diuresis (Urine Osm 100-200 mOsm/kg) • Water and solute loading • Relief of prolonged urinary obstruction • Partial Dl • Chronic Renal Failure Solute Diuresis (Urine Osm 300-500 mOsm/kg) • Hyperglycemia • Azotemia • Exogenous solute load #Polyuria #Differential #Diagnosis #Algorithm #causes #nephrology
