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'''<font size="4">[[Acute Kidney Injury]]</font>'''
'''<font size="4">[[Acute Kidney Injury]]</font>'''
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Acute kidney injury (AKI) or acute renal failure (ARF), is characterized by a rapid reduction of the renal filtration function, which is identified by a rise in serum creatinine concentration. <ref>{{Cite journal
Acute kidney injury (AKI) or acute renal failure (ARF), is characterized by a rapid reduction of the renal filtration function, which is identified by a rise in serum creatinine concentration.  <br><br>
  | author = [[Robert W. Schrier]], [[Wei Wang]], [[Brian Poole]] & [[Amit Mitra]]
| title = Acute renal failure: definitions, diagnosis, pathogenesis, and therapy
| journal = [[The Journal of clinical investigation]]
| volume = 114
| issue = 1
| pages = 5–14
| year = 2004
| month = July
| doi = 10.1172/JCI22353
| pmid = 15232604
}}</ref> <br><br>
'''<font size="3">Historical Perspective</font>'''
'''<font size="3">Historical Perspective</font>'''
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!Postrenal
!Postrenal
| <350 || >40 || >4% ||  >20
| <350 || >40 || >4% ||  >20
|}
<br />
{| class="wikitable"
|+
!Type
!UOsm
!UNa
!FeNa
!BUN/Cr
|-
|Prerenal
|>500
|<10
|<1%
|>20
|-
|Renal
|<350
|>20
|>2%
|<10-15
|-
|Postrenal
|<350
|>40
|>4%
|>20
|}
|}
<br><br>
<br><br>
<references />

Revision as of 22:36, 5 May 2020


Acute Kidney Injury




Overview


Acute kidney injury (AKI) or acute renal failure (ARF), is characterized by a rapid reduction of the renal filtration function, which is identified by a rise in serum creatinine concentration.

Historical Perspective




Classification


  • Acute kidney injury is classified into three main groups:
    1. Prerenal
    2. Renal
    3. Postrenal
lab findings in AKI
Type UOsm UNa FeNa BUN/Cr
Prerenal >500 <10 <1% >20
Renal <350 >20 >2% <10-15
Postrenal <350 >40 >4% >20


Type UOsm UNa FeNa BUN/Cr
Prerenal >500 <10 <1% >20
Renal <350 >20 >2% <10-15
Postrenal <350 >40 >4% >20