Wk 5 Overview of Dialysis Flashcards Preview

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Flashcards in Wk 5 Overview of Dialysis Deck (19)
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1
Q

How often is peritoneal dialysis done?

A

4-6 hours a day

2
Q

How often is hemodialysis done?

A

4-5 hours at a time, three days a week

3
Q

What is the dialysis solution called?

A

Dialysate

4
Q

How does hemodialysis work?

A

Uses semi-permeable membrane outside of the body

5
Q

How do peritoneal dialysis work?

A

Uses peritoneum as semi-permeable membrane

6
Q

What type of access is the most common for hemodialysis?

A

AV fistula

7
Q

What is an AV fistula?

A

Anastamosis of patient’s vein and artery, most common in the forearm

8
Q

What is the disadvantage of an AV fistula?

A

Requires months to “mature” before using

9
Q

Is an AV fistula permanent or temporary?

A

Permanent

10
Q

How long can an AV fistula last for dialysis?

A

If it is done well in the first 6 months, it can last up to 20 years

11
Q

What should a nurse do if a patient has an AV fistula?

A

Assess for bruit and thrill every shift
Assess peripheral perfusion distal to site

12
Q

What should a nurse NOT do if a patient has an AV fistula?

A

Take BP, start an IV in affected arm

13
Q

How do you confirm patency of an AV fistula?

A

Feel for a thrill, and hear a bruit

14
Q

What is the difference between an AV fistula and an AV graft?

A

With an AV fistula, the artery and vein are actually anastamosed together. With an AV graft, a synthetic loop is connecting the artery to the vein

15
Q

What is the main advantage of an AV graft over an AV fistula?

A

It matures quicker, it can be used faster

16
Q

When is an AV graft used?

A

It is usually reserved for small weak veins or in patients that need to use it quickly

17
Q

How long does an internal jugular CVC typically last?

A

1-3 weeks

18
Q

How long does a femoral CVC typically last?

A

About 1 week

19
Q

What type of catheter is an IJ?

A

Tunneled, cuffed catheter