Rheumatology Flashcards
What are the causes of acute Inflammatory mono articular arthritis?
Septic arthritis
Gout
Viral arthritis
What are the causes of chronic Inflammatory mono articular arthritis?
Psoriatic arthritis
Sarcoidosis
Pseudogout
What are the causes of acute nonInflammatory mono articular arthritis?
Mechanical stuff, trauma
What are the causes of acute Inflammatory peri articular arthritis?
Bursitis, tendinitis, septic bursitis
What are the causes of acute Inflammatory polyarticular arthritis?
Viral (parvovirus), septic
What are the causes of chronic Inflammatory polyarticular arthritis?
RA, psoriatic, Lyme, scleroderma
How do you distinguish inflammatory vs noninflammatory joint swelling?
Inflammatory - morning stiffness. In the case of RA, lasts awhile
Describe common location of psoriatic arthritis swelling
DIP
Decribe acute rheumatic fever
Occurs after event strep, migratory in nature, accompanied by carditis, chores, subcutaneous nodules
describe symptoms associated with a spondyloarthropathy
Arthritis, tendinitis,uveitis, spinitis, enthesitis
What is the presentation of RA?
small joints sparing the DIP - joints are swollen and tender to motion
morning stiffness for more than 1 hour
How is RA diagnosed?
positive anti-CCP antibodies
high IgM rheumatoid factor
What are some of the long term sequellae of RA?
anemia, fatigue, osteoporosis
What are the side effects of methotrexate?
macrocytic anemia, nausea, stomatitis, rash, hepatotoxicity, interstitial lung disease
What is the presentation of whipple disease?
malabsorptive diarrhea, migratory polyarthropathy, protein losing enteropathy, lymphadenopathy,
What is the cause of whipple disease?
tropheryma whipellii
How is whipple disease diagnosed?
ant-PAS positive macrophages with non acid fast bacilli
What is the presentation of reactive arthritis?
arthropathy, conjunctivitis, urethritis following infection
A patient presents with enthesitis, shoulder and hip pain, and stiffness. This is likely…
anklyosing spondylitis
What is Still’s disease?
autoimmune disease characterized by fevers, salmon colored rash, juvenile idiopathic rash
What are the diagnostic criteria of lupus?
4 of the following 11: serositis oral ulcers arthritis photosensitivity blood abnormalities renal dysfunction ANA positive Immunologic testing (anti-SM, anti-dsDNA) Neurologic - psychosis, seizures Malar rash Discoid rash - raised patches with scaling
What tests should be run in considering an autoimmune disease?
C3/C4- low complement associated with flares
Antiphospholipid antibodies - associated with embolic disease
Anti - histone antibodies - associated with drug induced lupus
SSA/SSB - associated with Sjogrens
What are some other important manifestations of lupus?
fatigue, fever, weight loss, raynaud’s, hair loss, miscarriages, lymphadenopathy, marantic fevers
What treatments are available for RA?
start on DMARDs ASAP (methotrexate) - adjunctive therapy NSAIDS, hydroxychloroquine (good for skin flare,s joint disease), glucocorticoids, steroid sparing agents. if those don’t work, (tumor necrosis factor -alpha inhibitors)
How is rotator cuff bursinitis differentiated from other rotator cuff pathology?
inject lido - if it works, it’s rotator cuff impingement
rotator cuff injury also associated with weakness
How does vascular compression of the arm present?
numbness, weakness, swelling of the joint
What side effects are associted with hydroxychlroquine?
retinopathy
What side effects are associated with TNF inhibitors?
infection, demyelination, CHF, malignancy