Rheumatology Flashcards
When in the day do symptoms of growing pains typically present?
Evening
x1 example of pain amplification syndrome (a) generalized and (b) localized
(a) Fibromyalgia
(b) Complex regional pain syndrome
Examples of autonomic changes that occur with pain amplification syndromes?
- Swelling
- Atrophy
- Cold extremities
Definition of arthritis
Joint effusion or swelling
OR =/> than 2 of the following: limited ROM, tenderness/pain with motion, increased heat
DDx for monoarthritis
- Structural: trauma, overuse, orthopedic concerns (AVN, SCFE)
- Infection: acute (SA, OM), chronic (TB, lyme), reactive arthritis
- Inflammatory: JIA, non-bacterial OM, FMF)
- Malignancy
- Hemarthrosis
DDx for polyarthritis
- Structural: hypermobility, skeletal dysplasia
- Infection: acute (viral - parvo, bacterial - gonococcal), post-infectious (reactive, rheumatic fever)
- Inflammatory: JIA, SLE, vasculitis (HSP)
- Malignancy
- Pain syndromes
When would you consider looking for specific antibodies after receiving result of ANA? Example of one
If ANA is positive at a high titre >1:160
-dsDNA
Can routine live vaccines be given to a patient on MTX?
No although could get a booster
Criteria for JIA
- Juvenile: <16 year old at onset of symptoms
- Idiopathic: cannot be explained by another medical condition
- Arthritis: Joint inflammation lasting more than 6 weeks
Classification of Juvenile Idiopathic Arthritis (x6)
- Oligoarticular arthritis
- Polyarticular arthritis
- Systemic JIA
- Enthesitis related arthritis
- Psoriatic arthritis
- Undifferentiated
What type of JIA is more common in males than females?
-Enthesitis-related
What form of JIA is associated most commonly with uveitis?
Oligoarthritis
What form of JIA is associated with acute uveitis (symptomatic)?
Enthesitis-related
What form of JIA is associated with the majority of cases being ANA positive?
Oligoarthritis
What form of JIA is associated with HLA-B27 positive?
Enthesitis-related
Criteria for psoriatic arthritis
- Arthritis + psoriasis
- OR arthritis plus 2 of the following: nail pits, dactylitis, 1st degree relative with psoriasis
How is Complex Regional Pain Syndrome defined (aka criteria)?
- Pain out of proportion of hx and exam
- At least one symptom of autonomic dysfunction
- One symptom of allodynia/hyperalgesia/motor dysfunction
What to treat FMF with and why?
- Colchicine
- To decrease intensity/frequency/duration of episodes + prevent amyloidosis
What is amyloidosis?
-Serum AA = acute phase reactant found in high levels during FMF attacks –> cleaved + deposits into organs
Most common presenting sign of amyloidosis?
Proteinuria
What is the hallmark cutaneous sign of FMF? And where does it typically present?
Erysipeloid erythematous rash
-Ankle/foot
What are some other symptoms in FMF apart from fever and rash (x2)?
- Arthritis
- Serositis (abdo pain, pleurtic chest pain)