1. Rheumatoid arthritis predominantly involves inflammation of the joint lining.
2. Rheumatoid arthritis generally occurs in a symmetrical pattern. If one hand is affected, the other one usually is, too.
3. Rheumatoid arthritis can be difficult to diagnose in its early stages for several reasons. First, there is no single diagnostic test for the disease. Secondly, symptoms differ from person to person and can be more severe in some people than in others.
4. Some tests that doctors use to help diagnose rheumatoid arthritis include the rheumatoid factor and the citrulline antibody test.
5. There is no single test for the disease. In addition, symptoms differ from person to person and can be more severe in some people than in others.
