unit 3: rheum Flashcards
what color is non-inflammatory synovial fluid?
clear
what color is mild inflammatory synovial fluid?
translucent
what color is purulent synovial fluid?
opaque
true or false: when aspirating a knee it is ok to insert needle thru an area of cellulitis or other skin disorder?
false…. you dont want to introduce bacteria from outside.
your pt is on coumadin and you want to aspirate their joint… what do you check? what are the parameters? what gauge do you use?
- INR
- MUST BE LESS THAN 3
- small gauge (like 22g)
true or false: joint aspiration falls under the APRN’s scope of practice
*trick question- varies by state
wbc count of normal synovial fluid?
<2k
*would indicate non-inflammatory condition
wbc count of inflammatory synovial fluid?
2k-75k
wbc count of purulent synovial fluid?
100k
true or false: bloody joint effusions are usually caused by traumatic aspiration
TRUE
3 clues to help you dx rheum:
- +/- _______
- # of ______ involved
- _______ of joint involved
- absence or presence of inflammation
- number of joints involved
- site of joint involved
if inflammation is present what 3 diseases should you consider?
- RA
- SLE
- gout
if inflammation is absent what disease should you consider?
OA
monoarticular joint involvement… what 5 diseases should you consider?
- gout
- trauma
- septic arthritis
- lyme
- OA
Get LOST
gout, lyme, OA, SA, trauma
oligoarticular involvement means what?
2-4 joints
polyarticular means what?
5+ joints
oligoarticular involvement…. what 2 diseases should you consider?
- Reactive arthritis
2. psoriatic arthritis
polyarticular involvement… what 2 diseases should you consider?
- RA
2. SLE
distal interphalangeal (DIP) joint site… what 2 diseases?
- OA
2. PA
metocarpophalangeal and wrist involvement… what 2 diseases?
- RA
2. SLE
first metatarsal phalangeal… what 2 diseases?
- OA
2. gout
OA def: ________ of the cartilage and ______ of the bone
- degeneration of the cartilage
* hypertrophy of the bone
______ is the most common form of joint disease
OA
OA is more common in women or men?
women