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Related Subjects: |Monoarticular arthritis |Polyarticular arthritis |Rheumatoid arthritis |Gout |Pseudogout |Septic Arthritis |Systemic Lupus Erythematosus (SLE) |Enteropathic Spondyloarthritis |Reactive Arthritis
Joint sepsis is an emergency and needs urgent diagnosis with joint aspiration and treatment
Causes | Comments |
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Rheumatoid arthritis | Symmetrical, any joint, legs and arm on over hours. Usually spares the hip and knees and elbows and DIP. Severe pain. Usually, 1st MTP. Red hot. Elevated CRP/ESR Anti-CCP. Positive RF Aspirate joint if diagnosis uncertain need to exclude sepsis. Examine for crystals. Recent dehydration, operation |
Reactive Arthritis | Comes on over days. Symmetrical small joints, rash and prodromal symptoms. Viral, Lyme disease. |
Osteoarthritis | Variable Symmetrical, DIP joints, knees, hips, back and neck, Heberden's, Bouchard's. Bloods normal |
Psoriatic arthritis | Male, Asymmetrical PIP and DIP joints, nail changes. Pitting, onycholysis, Skin rash. |
Ankylosing spondylitis | Large joints, Lower > upper. Back pain. Younger age. |
Systemic lupus erythematosus | Females, Butterfly rash, Symmetrical, small join, synovitis |