Aki Flashcards

1
Q

Stage 1 AKI UO: <____ ml/kg per h for ___h

A

<0.5 ; 6-12

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2
Q

Stage 2 AKI UO
<____mL/kg per h for ____h

A

0.5 , 12

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3
Q

Pre renal AKI. 2 Reasons why BUN and SCr increases

A

Inadequate:
renal BF
Intraglomerular hydrostatic pressure

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4
Q

Prolonged Prerenal azotemia leads to

A

Acute tubular necrosis

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5
Q

A Decrease in CO leads to renal vasodilation/vasoconstriction? And salt and water reabsorption/excretion?

A

Constriction, reabsorption

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6
Q

Glomerular filtration is maintained despite reduced RBF by Ang2 mediated renal afferent/efferent vasodilation/vasoconstriction?

(Ipair mo sino mag dilate, constrict)

A

Efferent, constriction
Afferent, dilation

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7
Q

Renal autoregulation fails once SNP is below ____mmHg

A

80

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8
Q

NSAIDs inhibit the production of ____, limiting renal ______ vaso____

A

Prostaglandin
Afferent, vdilation
Therefore mag constrict sya

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9
Q

ARBS limit ____ vaso____

A

Efferent vasoconstriction therefore mag dilate sya

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10
Q

Most common causes of intrinsic AKI
1
2
3

A

Sepsis
Ischemia
Nephrotoxins

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11
Q

Kidneys receive __% CO and account for __% resting 02 consumption

A

20, 10

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12
Q

What segment of the proximal tubule is considered to be very metabolically active? S1, S2, S3?

A

S3

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13
Q

Mechanism of cardiopulmonary bypass in AKI. Give 1

A

Answers:
Hemolysis causing pigment nephropathy
Activation of leukocytes and inflammation
Aortic injury causing atheroemboli

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14
Q

Individuals undergoing massive fluid resuscitation for trauma, burns, and acute pancreatitis can also develop abdominal compartment syndrome, where markedly elevated intraabdominal pressures, usually >____mmHg, lead to renal vein compression and reduced GFR.

A

20

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15
Q

Contrast nephropathy
Rise in SCr beginning ___
Peaks in ___
Resolves within ____

A

Begins at 24-48 hrs
Peaks in 3-5 days
Resolves within 1 week

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16
Q

Electrolyte imbalance in AKI associated with antibiotic use

A

Hypomagnesemia

17
Q

Most common protein in urine

A

Tamm-Horsfall or uromodulin from the TaL

18
Q

Massive uric acid level. Give number

A

15 mg/dl

19
Q

Electrolyte imbalance in multiple myeloma

A

Hypercalcemia

20
Q

With many of the epithelial cell toxins such as aminoglycoside antibiotics and cisplatin, the rise in SCr is characteristically delayed for ____ to ___ after initial exposure.

A

3-5 days to 2 weeks

21
Q

Hallmark of AKI

A

Increase BUN

22
Q

Recovery from AKI is often heralded as

A

Increase in UO

23
Q

Complication of AKI. Hyponat or hypernat

A

Hypo ofc

24
Q

Complication of AKI. Hypo/hyper phosphatemia and hypo/hyper calcemia

A

Hyperphosphatemia
Hypocalcemia