AKI

Question 1

What is the most accurate way to differentiate AKI from CKD (in the absence of a baseline Cr)?

Answer 1

Rena US

Question 2

What are the markers of (most kinds of) CKD on renal US?

Answer 2

Small kidney size and thinning of the cortex

Question 3

An increase of ___ mg/dL or ___ times baseline is diagnostic of AKI.

Answer 3

0.3; 1.5

Question 4

RBC casts are pathognomonic of _______.

Answer 4

glomerulonephritis

Question 5

WBC casts are pathognomonic of _______.

Answer 5

AIN

Question 6

Which etiologies of AKI cause trace to mild proteinuria?

Answer 6

prerenal

Question 7

Which etiologies of AKI cause moderate proteinuria (

Answer 7

ATN

Question 8

Which etiologies of AKI cause >1g/day proteinuria?

Answer 8

nephritic syndrome or cast nephropathy

Question 9

Urine osm > 500 mOsm/kg is more consistent w/ _______.

Answer 9

prerenal etiologies

Question 10

Urine osm

Answer 10

ATN

Question 11

FeNa

Answer 11

prerenal

Question 12

FeNa > 2%

Answer 12

intra-renal

Question 13

What is the best initial strategy for determining if AKI in a CHF pt is due to CHF exacerbation or excessive diuresis?

Answer 13

diuretic trial

Question 14

How do you test whether cardiac output is volume-responsive while doing an echo?

Answer 14

raise the pt’s legs

Question 15

Tx for pulm edema refractory to diuretics resulting from AKI.

Answer 15

hemodialysis

Question 16

Tx for refractory kyperkalemia or metabolic acidosis in AKI.

Answer 16

hemodialysis

Question 17

x for symptomatic uremia in AKI.

Answer 17

hemodialysis!