Acute Kidney Injury

Definition of acute kidney injury (AKI)

Acute Kidney Injury

Type

Duration

General

Abrupt decrease in kidney function causing

- Retention of urea and nitrogenous waste products

- Abnormal electrolytes

- Abnormal extracellular volume

Specific criteria

Increase in serum creatinine by ≥ 0.3 mg/dL within 48 hours

Increase in serum creatinine to ≥ 1.5 times baseline within the past 7 days

Urine volume <0.5 mL/kg/hour for six hours

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