Rheumatoid arthritis Flashcards
1
Q
what type of antibody is usually rheumatoid factors
- IgA
2, IgG - IgM
- IgE
A
- IgM
2
Q
which antibody of the patient does rheumatoid factor react with
- IgA
2, IgG - IgM
- IgE
A
- IgG
3
Q
what 2 tests can be used to test for rheumatoid factor
- rose waaler test
- IgA antibody
- ASCA antibody
- latex agglutination
A
- rose waaler test
4. latex agglutination
4
Q
which of the tests if less specific for investigation rheumatoid factor
- rose waaler test
- IgA antibody
- ASCA antibody
- latex agglutination
A
- latex agglutination
5
Q
list 3 other conditions that may be associated with a + RF factor
A
Felty syndrome
sjorgens syndrome
infective
endocarditis
SLE
systemic sclerosis
6
Q
what is felty syndrome?
- commonly complication of RA presence of 3 conditions: RA, splenomegaly and neutropenia
- associated with dry mouth and eyes
- infections of the endocardium
- widespread fibrosis and vascualr abnormalities affecting skin, lungs, GI tract, heart and kidney
A
- commonly complication of RA presence of 3 conditions: RA, splenomegaly and neutropenia
7
Q
what does NICE recommend when investigating RA with are rheumatoid factor negative
- test for IgA antibody
- test for anti CCP antibody
- ASCA antibody
A
test for anti CCP antibody