23+ Rheumatoid Arthritis Factor Background. Ra mainly attacks the joints, usually many joints at once. With rheumatoid arthritis, the joints are specifically targeted, suggesting that a part of the immune system is misprogramming the antibodies in a very specific way.
Rheumatoid arthritis (ra) is a chronic systemic inflammatory disease of unknown cause. Rheumatoid factor (rf) is present in 80% of patients with rheumatoid arthritis (ra), which makes this test 80% sensitive. One blood test measures levels of rheumatoid factors in the blood.
Rheumatoid arthritis is a chronic inflammatory disorder that can affect more than just your joints.
Rheumatoid arthritis (ra) is an inflammatory autoimmune disorder characterized by joint pain, swelling, and synovial destruction. Rheumatoid arthritis is a chronic inflammatory disorder that can affect more than just your joints. Seropositive ra has a worse prognosis than seronegative ra. It happens when the immune system doesn't work properly and attacks lining of the joints (called the synovium).