<prompt> Oliguria is defined as urine output -0.5mlhr10mlhr20mlhr40mlhr  <response>: Oliguria or hypouresis is the low output of urine specifically more than 80 mlday but less than 400mlday. The decreased output of urine may be a sign of dehydration, kidney failure, hypovolemic shock, HHNS hyperosmolar Hyperglycemic Nonketotic Syndrome, multiple organ dysfunction syndrome, urinary obstructionurinary retention, DKA, pre-eclampsia, and urinary tract infections, among other conditions Normal: 1 - 2mlkghr. Oliguria: 1.0mlkghr. Anuria: no urine output. Polyuria: 3mlkghr. Older children: 30 mlhr is the minimum normal output. Ref Harrison20th edition pg 277 