Rheumatoid Arthritis Support Group
Rheumatoid arthritis is a chronic, inflammatory, multisystem, autoimmune disorder. It is a disabling and painful condition which can lead to substantial loss of mobility due to pain and joint destruction. The disease is also systemic in that it often also affects many extra-articular tissues throughout the body including the skin, blood vessels, heart, lungs, and...
I see that RASally posted where she has done some research on RA
which you can check out on Daily Strength and there are other documents people have uploaded. She wrote a pretty thorough document about how RA is diagnosed - some of the tests, the normal value ranges for blood work, tips about x-rays versus more advanced imaging.
Read her post here: http://www.dailystrength.org/c/Rheumatoid_Arthritis/forum/21663085-new-people-ra-diagnosis-paper