Differential diagnosis of oliguria in aged patients.

摘要: A DECREASE in extracellular-fluid or blood volume may result oliguria by the following mechanisms: diminished renal perfusion, without associated damage to tubular cells; acute insufficiency, with necrosis of cells.¶ 2 It is clinical importance differentiate these two mechanisms, since first fluidreplacement therapy prevent development insufficiency.2 3 4 In some cases it be difficult, if not impossible, establish proper diagnosis on basis history, physical examination, urinalysis urine volume. such circumstances has been emphasized that concentration total solutes . . .