At the day of admission, serum ure (mmol / l); creatinin (µmol / l) and potassium (mmol / l) in HA-AKI vs CA-AKI were 6.81±2, 08 vs 21.13±16.04 (p<0.001); 102.23±30.81 vs 339.70±275.76 (p<0.001) and 4.09±0.47 vs 4.75±0.90 (p<0.05) respectivelly.