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09.03 Acute Renal (Pre-Renal vs Renal) Failure for CCRN Review

09.03 Acute Renal (Pre-Renal vs Renal) Failure for CCRN Review

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Laura Gasparis Vonfrolio
PhD,RN,CCRN
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Outline

Nursing Points

General

  1. Differentiating Pre-renal vs. Renal
    1. Normal amount of salt in urine = 20-200 –> If there is too much salt in urine their could be kidney problems because they aren’t filtering properly
    2. BUN:Creatinine ratio (normal 10:1-20:1)
    3. Lasix/Fluid Challenge–> assess the output
  2. Pre-renal
    1. Urinary sodium less than 20
    2. 20:1 BUN:Creatinine ration
    3. Lasix/Fluid challenge
      1. More urine after an hour
  3. Renal
    1. Urinary sodium 40-100
    2. 10:1 BUN:Creatinine ratio
    3. Lasix/Fluid challenge
      1. No more urine after an hour
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