Rheumatology Flashcards
(39 cards)
Differential for hot swollen joint?
Septic arthritis, gout, pseudogout, hemarthrosis
How to work up hot and painful joint?
Tap it
Appearance of normal joint fluid
Serous,
Appearance of OA joint fluid
Normal! Serous
Appearance of inflammatory joint fluid
Cloudy, between 5 and 50,000 WBC
Poly predominance
Appearance of crystal arthropathy fluid?
Cloudy, between 5 and 50,000 WBC
Poly predominance. Intracellular crystals
Appearance of septic joint fluid
> 50,000 WBC, Opaque, 90% polys. + gram stain (except for GC)
Sexually active female with hot swollen joint?
Think gonococcal arthritis. Careful because it doesn’t gram stain well
ANA
Lupus
Anti-CCP
RA
RF
RA
Anti-histone
Drug induced lupus, procainamide, isoniazid, hydralazine
Anti ds DNA
Lupus, correlates with renal disease
Centromere
CREST
Anti topoisomerase
Scleroderma (systemic)
Anti smooth muscle
Autoimmune hepatitis
Ro+lA
Sjogrens
Antimitochondrial
PBC
Anti Jo
Myositis
Lupus
Autoimmune complex formation and deposition
Symptoms of LUPUS
MD SOAP BRAIN
Malar Rash Discoid rash Serositis oral ulcers arthritis photosensitivity blood (decreased ph and decresed hgb) Renal failure ana immunologic complex neuro (cerebritis, transverse myelitis)
Liebman sach’s endocarditis
How to diagnose lupus
Need 4 sxs with ANA and DSDNA
U/A with biopsy for nephritis
Get complement levels (will be decreased) during a flare
ESR and CRP to track progress
How to treat Lupus?
Treat arthritis and serositis with NSAIDS (or hydroxychloroquine)
Treat flare with steroids
Treat severe disease with cyclophosphamide
RA
Autoimmune, affects women>men >40 years old. Pannus formation with joint destruction. Periarticular osteopenia.