Rheum popcorn 1 Flashcards
Is Tophi seen in acute or chronic gout?
Chronic
Synovial fluid analysis showing:
- Monosodium urate crystals
- Needle shaped
- Negative birefringent crystals
Gout
Punched out (“rat bite”) erosions seen on imaging
Gout
1st line tx for Acute Gout?
NSAIDs (Indomethacin or Naproxen)
1st line Pharmacologic prophylactic tx for Gout?
Allopurinol
(Colchicine also an option)
Where is pseudogout most common?
knee
Imaging shows fine, linear densitites in articular tissues
Pseudogout
Joint aspiration shows:
- Calcium Pyrophosphate cystals
- Rhomboid shaped
- Positively birefringent
Pseudogout
Tx for acute attacks of pseudogout?
NSAIDs
Prophylaxis for pseudogout?
Colchicine
Heberden’s and Bouchard’s nodes on hands due to osteophyte formation
Osteoarthritis
Sxs of what?
- Insidious onset
- worse w/ activity
- relieved w/ rest
- Stiffness in AM doesnt last longer than 30 min
OA
Does NOT spare the spine. What DOES spare the spine
Does NOT spare spine= OA
Spares spine= RA
Joint space narrowing and osteophytes seen on x-ray
OA
Tx for what?
- NSAIDs- oral and topical (Diclofenac)
- Topical Capsaicin
- Duloxetine
- etc
OA
Which condition spares the spine and SI joints
RA
(mainly affects the hands)
What condition is it common to see subcutaneous nodules?
RA
What is the most specific blood test for RA?
Anti-CCP
(RF is not always positive)
Imaging shows:
- Early changes: Juxta-articular demineralization, soft tissue swelling
RA
What is 1st line tx for RA?
NSAIDs for symptomatic relief
1st line DMARD= Methotrexate
T/F: It is safe to take Methotrexate in pregnancy. Why?
False. It is teratogenic
T/F: Methotrexate can cause stomatitis
True
Which conventional DMARD used to tx RA can cause Pigmentary retinitis so should be followed by optho
Hydroxychloroquine
What is the name of the Janus kinase inhibitor that is a biologic DMARD used to tx RA?
Is this tolerated well?
Tofacitinib
Works very well and is well tolerated
Which condition has Boutonniere deformity and Swan neck deformity?
(Boutenniere= DIP extension and PIP flexion, Swan= DIP felxion and PIP extension)
RA
Which condition has intermittent daily fevers and arthritis?
Systemic Juvenile Idiopathic Arthritis