ICU Acute Kidney Injury Diagnosis
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Questions and Answers

What is the definition of acute kidney injury (AKI)?

  • An increase in serum creatinine of ≥0.3 mg/dL within 48 hours (correct)
  • An increase in serum creatinine of ≥50% within 72 hours
  • An increase in serum creatinine of ≥0.3 mg/dL within 72 hours
  • A decrease in serum creatinine of ≥0.3 mg/dL within 48 hours

    • What is one of the diagnostic criteria proposed by the Acute Kidney Injury Network for the diagnosis of AKI?

  • An increase in serum creatinine of ≥50% within 48 hours (correct)
  • An increase in serum creatinine of ≥0.3 mg/dL within 72 hours
  • A decrease in hourly urine output to 40 mEq/L within 72 hours
  • An increase in serum creatinine of ≥0.4 mg/dL within 48 hours

    • What are the recommendations for the initial encounter with a patient who develops AKI, especially when associated with oliguria?

  • Increase fluid intake as much as possible
  • Avoid any adjustments in drug doses
  • Discontinue potentially nephrotoxic drugs (correct)
  • Continue potentially nephrotoxic drugs

    • What exceptions are mentioned for a prerenal disorder associated with a high urine sodium?

    <p>Ongoing diuretic therapy or chronic renal disease with an obligatory sodium loss in urine</p> Signup and view all the answers

    What is the percentage of ICU patients who have some degree of acute renal dysfunction?

    <p>70%</p> Signup and view all the answers

    What is the percentage of ICU patients who require renal replacement therapy?

    <p>5%</p> Signup and view all the answers

    Which of the following is a recommendation for the initial encounter with a patient who develops AKI, especially when associated with oliguria?

    <p>Adjust the dose of drugs that are excreted in the urine</p> Signup and view all the answers

    What is the time frame within which an increase in serum creatinine is considered diagnostic criteria for AKI?

    <p>48 hours</p> Signup and view all the answers

    Which disorder can be associated with a high urine sodium if there is ongoing diuretic therapy?

    <p>Prerenal disorder</p> Signup and view all the answers

    What is the minimum percentage increase in serum creatinine within 48 hours considered as diagnostic criteria for AKI?

    <p>&gt;50%</p> Signup and view all the answers

    What should be done with potentially nephrotoxic drugs for a patient who develops AKI?

    <p>Discontinue</p> Signup and view all the answers

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