Serology Pt. 2 Flashcards
ANA testing is used to diagnose
SLE, positive in 95% of patients with SLE
to be diagnosed with RA need to have a titer of
1:80 or greater
True or False
A negative RF does not exclude RA
True
to be diagnosed with Rhumatoid one must have 4 of the following
- morning stiffness for 6 weeks
- pain on joint motion for 6 weeks
- swelling of at least one joint for 6 wks
- swelling in one other joint for 6 wks
- bilateral symmetrical joint swelling
- subcutaneous nodules
- radiographic changes
HLA test is most popular for what disease
AS, 90% of patients are positive HLA-B27
HLA-B8 and DR 3 is found in
Myasthenia Gravis
AS is MC found in who
young adult males
Involves both SI 100% of the time
synonyms of AS is
marie Strympell’s disease
Rhizomelic Spondylitis
what is the MC seronegative spondy
AS
what is a good test when a patient has sacroilitis
HLA-B27 to rule out other causes than AS
AS it will be positive
wide and irregular SI joints indicates
hyperparathryoidism
if patient has a bloody stool and unilateral SI involvement indicates
enteropathic
if patient has burning urination and difficulty dancing and unilateral SI involvement think
Reiters/reactive
if patient has a shiny corner sign look at SI to determine
AS
