Mechanical vs inflammatory joints

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Inflammatory arthritis
Mechanical arthropathy
 
Swollen knee
Includes: Rheumatoid arthritis, seronegative spondyloarthropathy (psoriatic arthritis, enteropathic arthritis, ankylosing spondylitis, reactive arthritis)
 
Osteoarthritis with herbeden's node (bony swelling)
 
Includes: Osteoarthritis, mechanical back pain.
 
Pain comes and goes and tends not to relate to movement
Pain worsens with increased movement
Diurnal stiffness occurring in the mornings and at night
Stiffness after resting joint for prolonged period of time.
Morning stiffness often lasts for a prolonged period (>30minutes)
Morning stiffness can be ‘worked off’ after 20-30 minutes.
Associated with heat, redness and 'boggy' swelling of the joint. Although redness may not be marked. +ve metacarpal/metatarsal squeeze
 pain along joint line, no swelling.
Acute/subacute flare ups or presentation
Tends to be a chronic long standing condition
Systemic symptoms
Systemic symptoms unlikely
Night time pain tends to be troublesome.
 
 
Night pain may be a feature as osteoarthritis progresses.


http://www.arthritisresearchuk.org/arthritis-information/conditions/arthritis/what-is-arthritis.aspx

http://www.arthritisresearchuk.org/health-professionals-and-students/reports/hands-on/hands-on-autumn-2012.aspx
http://upload.wikimedia.org/wikipedia/commons/3/3a/Arthrite_rhumatoide.jpg
http://upload.wikimedia.org/wikipedia/commons/e/e8/Prepatellar_bursitis.JPG
https://www.flickr.com/photos/handarmdoc/9209641553/

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