Polyuria

From IDWiki

Definition

  • Urine output >3 L/day

Differential Diagnosis

  • Water diuresis (urine Osm <100)
    • Primary polydipsia
    • Central DI
    • Nephrogenic DI
  • Mixed diuresis (UOsm 100-200)
    • Water and solute loading
    • Post-obstructive diuresis
    • Partial DI
    • Chronic kidney disease
  • Solute diuresis (UOsm 300-500)
    • Hyperglycemia
    • Acute kidney injury
    • Exogenous solute load

From: http://csim.ca/csim-journal/index.php/csim/article/view/247