The rheumatoid arthritis severity scale (RASS) was developed to help doctors assess disease activity, functional impairment, and physical damage caused by RA. Newer methods are now more commonly used.

A rheumatoid factor (RF) test detects rheumatoid factor, a type of antibody (proteins that fight off harmful substances) in your blood. RF antibodies sometimes attack healthy cells and tissues, ...

When persistent joint pain strikes, the search for answers often leads to a crucial diagnostic tool: the rheumatoid factor test. This relatively quick blood analysis serves as a window into the immune ...

Diagnosing rheumatoid arthritis involves a comprehensive approach, as there isn’t a single definitive test. Instead, doctors use a combination of blood tests, physical assessments, joint scans, and ...