Morning stiffness
Polyarthritis of MCP and PIP joints
Does NOT involve DIP joints
Wrists, elbows, shoulders, ankles, knees also commonly involved
Ulnar deviation at MTP joints
Swan neck deformity<unk>  nodules
Most patients initially diagnosed in the early 50s
Common associated conditions in severe cases: pleuritis, interstitial lung disease, pericarditis, inflammatory eye disease
Does NOT involve DIP joints
Wrists, elbows, shoulders, ankles, knees also commonly involved
Rheumatoid arthritis
Septic arthritis of previously injured joint
Reactive arthritis
Fibromyalgia
Juvenile idiopathic arthritis
Osteoarthritis
Lyme disease
Reactive poststreptococcal arthritis