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11 Questions

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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?

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

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

70% Signup and view all the answers

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

5% 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?

Adjust the dose of drugs that are excreted in the urine Signup and view all the answers

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

48 hours Signup and view all the answers

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

Prerenal disorder Signup and view all the answers

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

>50% Signup and view all the answers

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

Discontinue Signup and view all the answers