Arthrocentesis Flashcards Preview

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Flashcards in Arthrocentesis Deck (24):
1

what must you avoid when you inject a joint?

articular cartilage
can be very damaging

2

why would you do a joint aspiration?

get out synovial fluid for analysis
-reduce pain and inflammation from effusion
-make them feel better

3

what is the leading cause of septic joint in young ppl?

gonorrhea

4

what are contraindications for injections?

infection
cellulitis
active tumor
recent trauma or skin abrasion
known bacteremia
clotting d/o
unstable joint
weight-bearing tendon

5

which patients need extra concern with this procedure?

DM
Immunocompromised
Infection
osteoporosis
Hx of steroid flare

6

always do what before injecting a joint?

aspirate to check for infection

7

how long should pt wait before leaving after an injection?

30 min to r/o anaphylaxis

8

make sure to document what when doing an injection?

risks and benefits

9

when should you refer an injection?

hand/wrist
deep area (hip/SI)
nerve involvement

10

is a consent required for injecting a joint?

yes

11

how do you determine needle size?

consistency of fluid being injected
!8g (hyaluronic acid/septic arthritis)
22-25g (steroid)
25g (anesthetic)

12

what should you use to numb the area of injection?

ethyl chloride
lidocaine

13

what do you need to have when dealing with ethyl chloride?

everything ready, it wears off quick

14

how deep do you inject the needle?

1 inch

15

where is the neurovascular bundle located on each rib?

underneath the rib

16

what is an empyema?

pus pocket

17

what is chylothorax?

lymph material in the thoracic space

18

what happens in a tension pneumothorax?

trachia is moved away from midline

19

what size CT do you use for pneumothorax?

18-20F

20

what size CT do you use for fluid or blood?

32-40F

21

what is the most important equipment that needs to there before you perform a pneumothorax?

drainage system (pleurovac, glass bottles, heimlich valve)

22

how do you have to tape the chest tube?

occlusively (has to form a vacuum)

23

what do you have to do when you are done inserting chest tube?

chest Xray to see if the lung was reinflated

24

what is the normal amount of pleural fluid?

less than 20 ccs

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