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Nephrology > AKI > Flashcards

AKI Flashcards

1
Q

What is pre-renal AKI?

A

AKI secondary to decreased renal plasma flow

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2
Q

Causes of pre-renal AKI?

A

Decreased ECF volume
Effective decreased ECF volume (decreased CO, interstitial shift)
Disruption of renal hemodynamics (NSAIDs, RAAS blockers)
Hepatorenal syndrome (vasoactive compounds)

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3
Q

History suggestive of AKI?

A

Diarrhea, diuretics, poor oral intake

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4
Q

Signs of ECF volume depletion?

A

Hypotension, tachycardia, orthostatic changes, low JVP

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5
Q

Signs of decreased effective circulating volume

A

CHF, liver failure

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6
Q

Lab findings suggestive of pre-renal AKI

A

Hemoconcentration (high Hb, albumin)
Low urinary flow (high serum urea:Cr because slow filtrate allows more urea to be reabsorbed)
BLAND urine sediment
LOW URINE SODIUM

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7
Q

What is renal AKI?

A

AKI due to injury/dysfunction of renal parenchyma

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8
Q

What is the most common cause of AKI?

A

Pre-renal

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9
Q

What is the second most common cause of AKI?

A

acute tubular necrosis (tubulo-interstitial renal AKI)

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Nephrology (4 decks)

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