Kids arthritis Flashcards
def. of arthritis
joint swelling/effusion OR 2 of - tenderness/pain on movement - limited movement - increased warmth
what is diagnosis of JIA
diagnosis of exclusion - need to rule out other casues
6 main things to rule out
- trauma
- infection
- neoplasm
- mech
- autoimmune
- pain syndromes
2 signs of trauma
- injury
- hemarthrosis
4 signs of infection
- fever
- pain and tenderness
- swelling
- redness
why is infection importantq
emergency
- aspirate
- AB
possible cause of infection (5)
- TB
- parvo
- lymes
- strep A
- reactive
2 types of neoplasms
- bone tumor
2. systemic malignancy
4 possible mechanical causes
- AVN of head of femur (boys 4-10)
- slipped capital of femor (obese boys 10-14)
- hypermobility
- overuse
3 autoimmune causes
- SLE
- dermatomyocytis
- vasculitis
2 common pain syndromes
- growing pains
2. complex regional pain syndrome
features of growing pain
- 3-10yo
- calf, thigh, shins
- bilateral
- at night
feat. of CRPS
- F»>M
- may follow trauma
- autonomic changes
- psych factors important
3 classification crit. for JIA
- onset 6 weeks
- excluded other causes
3 major subtypes
- olio 5
3. systemic
feat. of oligo
- age M
- large joints more common - esp knee
- ANA + in 80%
- RF -ve
4 possible compluications from oligo
- knee flexion contracture
- quad atrophy
- leg length discrepancy
- growth disturbance
most common extra-art manifestation of oligo
uveitis
- asymptomatic and requires eye exams
2 treatments for oligo
- injections
2. NSAIDS
feat of poly
- young F>M
- small and large joints
- uverritis in 10%
- ANA in 50%
- RF neg
poly art treatment
- nsaids/injections
- then methotrexate
- then TNF antag.
7 extra-art feat. of systemic
- fever
- rash
- lymphadenopathy
- hepatospenomegaly
- serositis
- anemia
- ESR, CRP high
treatment of systemic
biologics
- then prednisone
