Rheumatology and Immunology Flashcards
MC type of Arthritis
OA - MCC of chronic knee pain in persons >45 y/o
pathologic sine qua non of OA
hyaline articular cartilage loss
usually SPARED joints in OA
AWE
ankle
wrist
elbow
1st line treatment in OA
NSAIDs and COX 2 inhibitor
Laboratory seen in OA and RA
OA: WBC <2000
RA: 5000-50,000; overwhelming neutrophil
Radiographic seen in OA and RA
OA: joint space loss or narrowing, osteophytes
RA: periarticular osteopenia (early) soft tissue swelling, joint space loss, subchondral erosion
This is a flexion of the PIP joint with hyperextension of the DIP joint
Boutonniere deformity
Hyperextension of the PIP joint with a flexion of DIP joint
Swan-neck deformity
Subluxation of the 1st MCP joint with hyperextension of 1st IP joint
Z line deformity
hallmark of the RA
Flexor tenosynovitis (trigger fingers)
MC pulmonary manifestation of RA
Pleuirits
MC valvular abnormality in RA
MR
Conditions with positive RF
SLE
Sjogren syndrome
subacute bacterial endocarditis
Hepatitis B and C
first choice for the early treatment of RA
MTX with Folic Acid
— MTX is a folate antagonist
DMARD given to Pregnant
Hydrochloroquine
Sulfasalazine
Conventional DMARD
Hydroxychloroquine
Sulfasalazine
MTX
Leflunomide
no adequate response to MTX
within 6mos, step up –> triple therapy:
MTX, Sulfasalazine, Hydroxychloroquine