Question 412 · LEK · Acute kidney injury

The diagnostic criteria for acute kidney injury (AKI) include:

  1. A. an increase in the serum creatinine by ≥ 0.3 mg/dL within 48 hours.
  2. B. an increase in the serum creatinine above 0.4 mg/dl within 72 hours.
  3. C. a glomerular filtration rate decrease by ≥ 50% within 3 weeks.
  4. D. a glomerular filtration rate decrease by ≥ 50% within 3 months.
  5. E. a ≥ 1.5-fold increase in the serum creatinine within the last 3 days.
Hint

Recall the KDIGO definition: a small absolute creatinine rise over a short window, or a relative rise over a week.

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