anuria

No urine output. Clinically defined as < 50-75 mL/day in adults; no urine output in children. It is rare it adults & generally indicates post-renal obstruction. (see oliguria) Differential diagnosis: 1) complete urinary obstruction 2) rapidly progressive glomerulonephritis 3) renal cortical necrosis 4) bilateral renal artery occlusion 5) acute tubular necrosis (ATN) is oliguric rather than anuric

References

Saunders Manual of Medical Practice, Rakel (ed), WB Saunders, Philadelphia, 1996, pg 523-525