Hemodialysis Shepler

Question 1

which pts do we use CAVH, CVVH, or CVVHD for?

Answer 1

AKI or very sick pts

Question 2

indications for renal replacement therapy (RRT) (5 of them)

Answer 2

AEIOU

Acid base balance
Electrolyte disturbances
Intoxication
fluid Overload
Uremia

Question 3

general rule to initiate dialysis: BUN > ___ , SCr > ___

Answer 3

100; 10

Question 4

AV fistula things to know (3 things)

Answer 4

-longest survival rates (approx 20 years)
-fewer complications but takes 1-2 months to mature
-no needlesticks or BP cuffs on access arm

Question 5

AV graft things to know (3 things)

Answer 5

-involves tubing
-shorter survival than AV fistula
-can use in 2-3 weeks

Question 6

substances not removed during dialysis (4 of them)

Answer 6

-high Vd
-high lipophilicity
-large MW
-highly protein bound

Question 7

what does the Kt/V measure?

Answer 7

measures the fraction of total body water that is cleared of urea

Question 8

what does the urea reduction ratio (URR) measure?

Answer 8

measures reduction of BUN

Question 9

goal Kt/V for effectiveness of dialysis

Answer 9

1.4 or greater (no units)

Question 10

goal URR for effectiveness of dialysis

Answer 10

greater than or equal to 70%

Question 11

complications of hemodialysis (3 of them)

Answer 11

-hypotension
-pruritus
-muscle cramps