After 2 days, he entered a polyuric
phase of renal failure; renal function normalized within a few weeks, however.
Deficiencies may occur nevertheless after prolonged oral antibiosis, anorexia or when water loss is increased as in polyuric
conditions or enteritis.
Comparison of DI and SIADH (Barkley, 2008a, 2008b) Syndrome of Inappropriate Diabetes Insipidus Antidiuretic Hormone Unire ouput Polyuric
Decreased Urine pH Low, <1.
The "donor" twin is growth retarded and oliguric, with oligohydramnios (insufficient amniotic fluid volume); the "recipient" twin is larger and polyuric
, with polyhydramnios (excess amniotic fluid volume).
In the first phase, the patient passes dilute urine and is polyuric
, while during the second phase, the urine is concentrated and urine output decreases.
Decreased urinary output is often present, but some patients may be inappropriately polyuric