Adequacy Flashcards

1
Q

What is Kt/V?

A

Stands for Clearance, time, and volume. It measures the adequacy of dialysis treatments.

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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!!

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3
Q

What factors influence volume in terms of adequacy?

A

Height, Weight, sex, age, amputations, body composition.

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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

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5
Q

Post-BUN lab draw steps?

A
  1. Turn off of decrease UF to 50 ml/hr
  2. Decrease DFR to 300 or place machine on bypass
  3. Decrease BFR to 100
  4. Wait 15 seconds for AVF/AVG & CVC
  5. Obtain blood from arterial line
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6
Q

If you wait longer than 15 seconds to draw blood the Kt/V will?

A

Be falsely low

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7
Q

If you wait less than 15 seconds to draw blood the Kt/V will?

A

Be falsely high

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