Rheumatoid Arthritis

Rheumatoid Arthritis is a topic covered in the Washington Manual of Medical Therapeutics.

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Washington Manual

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General Principles

RA is a systemic disease of unknown etiology that is characterized by a symmetric inflammatory polyarthritis, extra-articular manifestations (rheumatoid nodules, pulmonary fibrosis, serositis, scleritis, vasculitis), and serum rheumatoid factor (RF) in up to 80% of patients. The course of RA is variable but tends to be chronic and progressive.

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