Abstract
Acute Kidney Injury (AKI) increases patients morbi-mortality in intensive care units, being the diagnosis based on urinary output and serum creatinine. Urinary volume may be influenced by interfering factors, as diuretic medications or hormones, like vasopressin; and serum creatinine, besides external interference, does not provide timely AKI diagnosis, once it raises just after 24 to 48h…