Doctor insights on:
Blood Test For Lupus Diagnosis
PM/Scl: The paradox of rheumatologic diseases is that there are more lab tests in this area than any other, and they of relatively less value compared to the history and physical findings than in other fields. If your rheumatologist is comfortable with the diagnosis of "scleromyositis", which usually features anti-pm/scl, i'd accept it even with a single negative result, and proceed. ...Read more
What is considered a positive result for the SM antibody for SLE? My Ana 1:320 but DNA was negative. So many blood tests for SLE diagnosis!!
Marker for SLE: Systemic lupus erythematosus can exist without a positive test result but a positive result =SLE. This is not a happy Dx, but some people are well managed by good treatment and compliance w/ recommendations for how to live. A specialist Health Psychologist is often a great asset in learning how to deal w/ the condition and symptoms that can include and/or cause emotional problems. Best! ...Read more
False positive for Lupus, now positive for HCV, waiting on blood test to confirm. Could HCV cause a false + for lupus?
Yes: There is a simple blood test for lupus called an "ana" (for antinuclear antibody). It is positive, or detectable, in about 20% of healthy people, so it is only helpful as an initial screening. A doctor can ask questions, perform a physical exam and order further tests to figure out if a positive test indicates lupus. A negative test is very reassuring. ...Read moreSee 1 more doctor answer
Would a Positive ANA Test CBC with a few other clinical criteria
confirm DLE without need for Biopsy?
DLE Criteria: Studies show that up to 28 percent of people with DLE develop Systemic Lupus Erythematosus. If a person has SLE also the American College of Rheumatology and SLIIC criteria can be used to help determine the presence of disease. Studies have tried to validate the SLIIC criteria for DLE alone but DLE sometimes exists in a pathologically singular form. http://tinyurl.com/j6lvnv4 ...Read more
Tests are accurate: If you have the right tests theses are quite accurate.You should discuss with your doctor who ordered the tests, because he knows your clinical history and will be able to explain the results to you.I can not answer without knowing the tests which were done. ...Read moreSee 1 more doctor answer
Clarify: Done correctly, the test simply tells whether rheumatoid factor is present in the blood. Around 25% of people with obvious rheumatoid arthritis never develop rheumatoid factor in the blood. Rheumatology has many labs but all are ancillary to the history and physical exam. As a pathologits -- "treat the person, not the numbers.". ...Read more
It is a good test..: Enzyme-linked immunassay is a sreening test which if positive will be confirmed with a western-blot (=standard of testing). Although not absolutely 100%, a negative western blot is a good bet that there is no lyme at the time of testing. Early disease/infection may have negative test, thus recommended retesting in about 3 wks. Lyme dna testing is better, but more expensive. Consult doc..Good luck. ...Read moreSee 1 more doctor answer
Could you please tell me what blood test are used for lupus. I'm looking at blood test example CBC =blood count. Lupus= ?
No: Routine blood work should not include testing for Lyme disease. The test is only to be run if there is suspicion that the individual has been infected and has the disease. Cholesterol and blood sugar are good screening tests. Tests for rheumatoid arthritis, lupus, Lyme disease are NOT screening tests as there are many false positives. ...Read more
The blood test for: H. Pylori checks for antibodies against the bacterium. Antibodies are proteins that help your body fight off infection and they may be detectable indefinitely, even for a lifetime. Biopsy & urease tests check for presence of an active infection. (+) H. Pylori blood test with negative biopsy & urease suggests you had the infection in the past but that it's not currently active. ...Read more
Blood clot: There are many blood tests to look for clotting disorders, both clotting too much and not quickly enough. If you are having active bleeding problems you should see your physician asap. If you are concerned about an inherited disorder blood tests can help here too. ...Read moreSee 1 more doctor answer
Noit will not: You need to test for special thyroid related antibodies for diagnosis og graves disease. ...Read more
A panel of tests: There is a panel of tests and some tests when positive at high enough titer are diagnostic and other tests if negative rule out the diagnosis. The gold standard test is intestinal biopsy and evaluation by a pathologist. ...Read more
Maybe: It will depend on how high the titers are and what signs / symptoms you have. Low titers may mean nothing at all. Without clinical evidence of multisystem disease, the diagnosis of MCTD is very, very unlikey ...Read more
If my blood test is reactive for syphilis both on the RPR and fta-abs lab tests should I get another blood test to confirm?
No: That is how the diagnosis is made. You should get treated. ...Read more
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