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AKI

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dmreid2644's version from 2015-04-27 03:39

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Question Answer
How can BUN be falsely elevated? protein ingestion, TPN, steroids, fever, dehydration, gi bleeding
Define AKI1. 1.5-2 fold increase in SCr from baseline or 25-50% decrease in GFR 2. Urine output <0.5 ml/kg,h for 6-12 hours (monitor in the ICU)
RIFLE classification risk Increase SCr >1.5 or GFR decrease >25%
RIFLE classification injury Increase SCr >2 or GFR decrease >50%
RIFLE classification failure Increase SCr >3 or GFR decrease >75% OR SCr >4mg per 100 ml w/ acute increase >0.5 mg/dL
Anuric<50 ml/day
Oliguric <500 ml/day
When is furosemide indicated? >50 ml/day
When is NS indicated? Anuric or dehydrated patients
Prerenal Volume depletion
IntrinsicDrugs
Post-Renal BPH, anticholinergics, stones (obstruction)
Urinary RBC indicates intrinsic damage
Urinary WBCUTI - post renal
BUN/SCr pre-renal
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