Azotemia VS ATN

Question 1

BUN/P(Cr) ratio >20:1

Answer 1

Azotemia

Question 2

BUN/P(Cr) ratio

10-15:1

Answer 2

ATN

Question 3

BUN/PCr ratio in Azotemia

Answer 3

> 20:1

Question 4

BUN/P(Cr) ratio in ATN

Answer 4

10-15:1

Question 5

Urine sodium (meq/L) <20

Answer 5

Azotemia

Question 6

Urine sodium >40

Answer 6

ATN

Question 7

Urine sodium in azotemia

Answer 7

<20

Question 8

Urine sodium in ATN

Answer 8

> 40

Question 9

Urine osmolality >500

Answer 9

Azotemia

Question 10

Urine osmolality <400

Answer 10

ATN

Question 11

Urine osmolality in azotemia

Answer 11

> 500

Question 12

Urine osmolality in ATN

Answer 12

<400

Question 13

Fractional excretion of sodium <1%

Answer 13

Azotemia

Question 14

Fractional excretion of sodium >2%

Answer 14

ATN

Question 15

Fractional excretion of sodium in azotemia

Answer 15

<1%

Question 16

Fractional excretion of sodium in ATN

Answer 16

> 2%

Question 17

Fractional excretion of urea <35%

Answer 17

Azotemia

Question 18

Fractional Excretion of urea >35%

Answer 18

ATN

Question 19

Fractional excretion of urea in azotemia

Answer 19

< 35%

Question 20

Fractional excretion of urea in ATN

Answer 20

> 35%

Question 21

Urinary sediment: bland, hyaline casts

Answer 21

Azotemia

Question 22

Urinary sediment: casts are muddy brown, granular, tubular epithelial cell

Answer 22

ATN

Question 23

What does the urinary sediment in azotemia look like

Answer 23

Bland, hyaline casts

Question 24

What does the urinary sediment in ATN look like?

Answer 24

Muddy brown, granular, tubular epithelial cells