Inclusion Criteria:  AKI diagnosis  Exclusion Criteria:  Patients  with end-stage renal failure (stage 4), who received 500 mL IV fluid or 40 mg diuretics, who are pregnant, with renal transplantation, with cirrhosis and liver malignancy, with postrenal AKI, who were referred from another center after starting treatment, who do not give consent for the study.