Rheumatoid Arthritis (RA) - Autoimmune Disease - Definition, Etiology& Epidemiology - Rheumatology

Rheumatoid Arthritis (RA) - Part 2 - Definition, Etiology& Epidemiology - Rheumatology Series

Rheumatoid arthritis (RA) is an autoimmune, systemic, symmetrical, chronic, inflammatory polyarthritis that involves small, peripheral joints...Rheumatoid arthritis can have articular as well as extra-articular manifestations.

Rheumatoid involves the PIP and MCP.
PIP: proximal intraphalangeal joints.
DIP: distal intraphalangeal joints.

In rheumatoid arthritis, morning joint stiffness lasts for more than 1 hour.

Joint pain is worse in the morning and improves as the day progresses (i.e. pain decreases with activity).

Swan neck deformity as well as boutonniere deformity.


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This is my second lecture on rheumatoid arthritis, please check the previous video: https://goo.gl/xfJKL1


-- The most common extra-articular manifestations of RA are rheumatoid nodules.


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