Adequacy Flashcards
1
Q
What is Kt/V?
A
Stands for Clearance, time, and volume. It measures the adequacy of dialysis treatments.
2
Q
What factors decrease K (clearance)?
A
Surface area of dialyzer and membrane characteristics.
Adequate anti-coagulation. BFR. BVP. DFR. UF Goal.
Opposite of above increases K!!
3
Q
What factors influence volume in terms of adequacy?
A
Height, Weight, sex, age, amputations, body composition.
4
Q
Needle gauges and sugested BFR for 17g, 16, g15, and 14g?
A
17g- 200-250 ml/min
16g- 250-350 ml/min
15g- 350-450 ml/min
14g- >450 ml/min
5
Q
Post-BUN lab draw steps?
A
- Turn off of decrease UF to 50 ml/hr
- Decrease DFR to 300 or place machine on bypass
- Decrease BFR to 100
- Wait 15 seconds for AVF/AVG & CVC
- Obtain blood from arterial line
6
Q
If you wait longer than 15 seconds to draw blood the Kt/V will?
A
Be falsely low
7
Q
If you wait less than 15 seconds to draw blood the Kt/V will?
A
Be falsely high
