OnlineMedEd - Rheumatology: Rheumatoid Arthritis Flashcards
True or false: rheumatoid arthritis more commonly presents in young people.
False. It is more common in middle age and older.
Basically, rheumatoid arthritis is an ______________ disorder that results in the formation of _____________.
autoimmune; pannus (inflammatory cells in the synovium)
Rheumatoid arthritis has a predilection for the _________ joints.
small (particularly the hands and feet)
In order to have a true diagnosis of rheumatoid arthritis, you need to have more than ____________ joints involved.
two
Rheumatoid arthritis is always _____________ (a type of body distribution).
symmetric
Rheumatoid arthritis always spares the _____________.
DIPs
Morning stiffness, a classic feature of rheumatoid arthritis, must be present for greater than ______________.
60 minutes
Osteoarthritis is less than 60 minutes.
_____________ are a pathognomonic finding of RA.
Nodules (though they’re usually found late in the disease course)
If you biopsy the nodules found in rheumatoid arthritis, you’ll see ______________.
cholesterol
Anti-CCP antibodies are more ___________ for rheumatoid arthritis, while rheumatoid factor is more ______________.
specific; sensitive
_________ is the preferred imaging modality for identifying RA. “____________” is the big radiological buzzword.
X-ray; Periarticular osteopenia
Discuss the four pillars of RA treatment.
- NSAIDs: to be used intermittently for symptom control
- DMARDs (like methotrexate): to be used in all patients with RA
- Biologic agents (TNF-alpha inhibitors and CD20 antibodies): to be used for refractory, severe RA
- Steroids: for flare ups
Do not be tricked by this: ________ should never be used as monotherapy.
NSAIDs
This can be difficult because a question might describe a patient with very mild RA (no erosions, etc.). In this case, the patient should still get DMARDs like methotrexate that will prevent the disease from progressing.
Methotrexate is to RA what ___________ is to lupus.
hydroxychloroquine
Prior to initiating biologic agents for RA, you need to ask a patient if _________________.
(1) they’ve been vaccinated, (2) they have been tested for TB, and (3) they have been to areas with endemic fungi (like Blastomyces in the Ohio River Valley)