Acute Kidney Disease

Question 1

What is Acute Kidney injury?

Answer 1

Red. in GFR resulting in azotemia (nitrogenous waste)

Question 2

What is Acute Kidney injury?

Answer 2

Red. in GFR resulting in azotemia (nitrogenous waste)

Question 3

What constitutes Oliguria? Anuria?

Answer 3

less than 400-500ml/day

less than 50

Question 4

What constitutes Oliguria? Anuria?

Question 5

What is the diagnostic Criteria for AKI?

Answer 5

Abrupt reduction in kidney funct.
Inc in serum creatinine of .3mg/dl
inc by 50%
Reduction in urine output

Question 6

What constitutes Oliguria? Anuria?

Answer 6

less than 400-500ml/day

less than 50

Question 7

When are granular/muddy brown casts seen?

Answer 7

Acute Tubular Necrosis

Question 8

What hormones Dilate Afferent Arteriole? Constrict Efferent?

Answer 8

Vasodilatory Prostaglandins

Angiotensin II

Question 9

What causes Post-renal AKI?

Answer 9

Obstruction of Urinary Flow

Prostate, Bladder, Stones, Tumors

Question 10

What causes Pre-renal AKI?

Answer 10

Impaired effective renal perfusion: volume depletion
Heart Failure
Liver Failure

Question 11

What causes renal AKI?

Answer 11

Intrinsic renal disease
Acute Tubular Necorsis
Glomerular Nephritis
Vasc Disease

Question 12

What causes Post-renal AKI?

Answer 12

Obstruction of Urinary Flow

Prostate, Bladder, Stones, Tumors

Question 13

What are lab Signs of Pre-Renal AKI?

Answer 13

FENa 20:1

Question 14

What are lab Signs of Renal AKI?

Answer 14

FENa >2%

Question 15

What is the most common cause of AKI?

Answer 15

Acute Tubular Necrosis

Question 16

How is FENa calculated?

Answer 16

(UNa x PCr/ PNa x UCr) x100