Nephrology/urology

Question 1

Pre-renal AKI diagnosis

Answer 1

U:C ratio 20:1
U-Na <20, u-osmol >500

Renal
U- Na >40, u-Osmol <350

Question 2

Renal causes of AKI

Answer 2

ATN - inflammatory injury to kidneys

AIN - hypersensitivity reaction to drugs

Question 3

RIFLE/AKIN classification

Answer 3

Check table

Question 4

Describe HD

Answer 4

More efficient
Less haemodynamically stable
Removes small molecules

Works via diffusion across a concentration gradient

Question 5

Describe HF

Answer 5

More HD stable
Less efficient
Removes large and small molecules

Works across a pressure gradient, both H2O and solute are removed and replaced with solute-free fluid.