Acute Renal Failure Flashcards

1
Q

what is acute renal failure

A

loss of renal function

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2
Q

what are signs of loss of renal function

A

fluid and electrolyte imbalances

azotemia

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3
Q

is it reversible

A

yes

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4
Q

how many mL do you need to excrete to prevent azotemia

A

400ml a day

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5
Q

what are the ml values for oliguria and anuria

A

oligura - 100-400ml a day

anuria- less than 100ml a day

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6
Q

etiology

A

mostly due to hypotension, hypovolemia
Pre: dehydration, sepsis, shock
Intra: drugs, pyelonephritis
Post: obstruction, BPH

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7
Q

Patho for Pre

A

dehydration = decreased renal perfusion = oliguria and ischemia

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8
Q

Patho for Intra

A

Initiating phase: onset until mnfts
maintenance phase: decrease GFR, oligura, mnfts maintained
recovery phase: tissue repair- gradual increase in GFR

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9
Q

Patho of Post

A

BPH? = urine stasis = hydroureter = hydronephrosis

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10
Q

Manifestations

A
Oligura/Anuria (sometimes non oliguria forms)
Fluid and electrolyte imbalances
Azotemia
Edema
HTN
Proteinuria, hematuria
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11
Q

Treatment

A

stat intervention
replace fluid and electrolytes MONITOR
Diet: increase cal, decrease proteins

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