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It is in essence a "sticky" antibody and can make it hard to correctly detect cardiolipin, HCV/rubella Abs and some other tests, generally when at very high levels
It is in essence a "sticky" antibody and can make it hard to correctly detect cardiolipin, HCV/rubella Abs and some other tests, generally when at very high levels
One NHS study suggests only 2.8% of RhF tests resulted in a diagnosis of RA
And never forget 10% of RA is seronegative
One NHS study suggests only 2.8% of RhF tests resulted in a diagnosis of RA
And never forget 10% of RA is seronegative
It is vital for properly identifying cryoglobulinaemia
So for most people dealing with joint pain, think carefully, this test while sensitive (picks up most RA) is very non specific and throws up lots of false positives
It is vital for properly identifying cryoglobulinaemia
So for most people dealing with joint pain, think carefully, this test while sensitive (picks up most RA) is very non specific and throws up lots of false positives
It's seen in up to 5% of healthy people <50yrs and 25% >70
10% of RA is totally antibody negative
some is only CCP positive
what about other conditions?
seen in up to 20-30% of many CTDs, 40% of infective endocarditis, seen at increased rates in cirrhosis, PBC,
It's seen in up to 5% of healthy people <50yrs and 25% >70
10% of RA is totally antibody negative
some is only CCP positive
what about other conditions?
seen in up to 20-30% of many CTDs, 40% of infective endocarditis, seen at increased rates in cirrhosis, PBC,
Traditionally done by latex agglutination we now generally use nephlometry/turbidimetry to detect/quantify levels also other methods
And it diagnosis Rheumatoid arthritis right?
Traditionally done by latex agglutination we now generally use nephlometry/turbidimetry to detect/quantify levels also other methods
And it diagnosis Rheumatoid arthritis right?
OK sometimes fighting monsters
OK sometimes fighting monsters