session 7- MSK Flashcards
Important things to get from a history of joint pain?
how long the stiffness lasts for in the morning can help tell if its inflammatory or non inflammatory- so if its gone within 1 hour, likely non inflammatory, if takes over 1 hour to get going likely inflammatory.
does activity make it better or worse? better= inflammatory
symmetry of joints- OA not symmetrical, RA symmetrical
involvement of the spine?
whats the differential diagnosis of joint pain or swelling?
SEPTIC JOINT/ARTHRITIS OA RA Psoriatic arthritis Gout Ank Spond Dislocation, fracture, tendon tear SLE
What investigations are done on someone with joint swelling?
Blood tests ESR, CRP, ACCP and RF antibodies (RA) Uric acid levels (gout) X ray- LOSS (loss of joint space, osteophyte formation, subchondrial cysts, subchondrial sclerosis- in OA)
What must you ensure you do with a patient on methotrexate? and why?
monitor them: regularly when they first go on it, then once have been on it for a while, reduce the frequency of monitoring but only to 3 months max.
Nephrotoxicity U+E
Hepatotoxicity LFT
Lung- CXR
supplement folic acid! as methotrexate inhibits the synthesis of folic acid
What hand deformities might you expect to see in someone with advanced RA?
Ulnar deviation
Z thumb
Swan neck deformity
Boutonniere deformity