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Doctor insights on: Toxocara Antibody Elisa Serum

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What happens if "h. pylori IgG antibodies serum by ELISA positive"?

What happens if "h. pylori IgG antibodies serum by ELISA positive"?

H. pylori infection: .. which causes gastritis with symptoms of early satiety, abdominal pain, heartburn. If you are symptomatic, then you will need the treatment. If you are not symptomatic or have responded to treatment already, then your test result indicates ongoing antibody production (normal immune response to previous infection) and no treatment is required. Good luck! ...Read more

Antibody (Definition)

An antibody is a protein the body's immune system makes to identify potentially harmful substances in the body. Antibodies attach to the substance on a molecular level and mark it so the immune ...Read more


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What does the antibody concentration of ELISA signify?

Quantity: The lower the antibody concentration in the ELISA producing a positive result, the higher the concentration of the antibody's target being tested. ...Read more

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How do you measure anti-dna antibody? Using elisa?

How do you measure anti-dna antibody? Using elisa?

Anti-DNA antibodies: Simple blood tests can be performed to test for anti-dna antibodies. Usually the screen is started with a basic ANA test which can then be followed with more specific antibody testing to determine if a specific disease can be identified. Of course, symptoms must also correlate since we do not simply provide diagnosis based on lab findings. ...Read more

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Is HIV 1/2 antibody combo(cmia) test as accurate as ELISA test? Also if the combo test at 75 & repeated at 100 days concl. If they are non reactive?

Is HIV 1/2 antibody combo(cmia) test as accurate as ELISA test? Also if the combo test at 75 & repeated at 100 days concl. If they are non reactive?

HIV testing: Yes the combination of testing for p24 antigen and antibodies to HIV 1 ; 2 is quite accurate, even if done using techniques other than elisa. The negative results at >3 mos after exposure make it almost certain that you are not infected with this virus, although there have been very rare cases in which antibodies were not detected until 6 to 12 mos later. You are probably fine. ...Read more

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I have read in medical journals that opiates have been shown to have a negative effect on the bodies ability to produce antibodies. Would this make a person less likely to test positive for a disease using the elisa test if they had to go on opiates?

Not aware: Do you have the reference on the opiate effect since I am not aware of such link. However people may potentially have a depressed immune system when they suffer from a chronic illness or pain. Nonetheless, I don't expect opiate per se to affect testing on antibody either in quantity or quality . ...Read more

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Can you get ELISA HIV antibody test result within an 1 hour from hospital ?

Yes.: The test can technically be done in less than an hour. However, time taken for blood draw, transportation to the lab and if the tests are batched, will all add time and it may take a day or so to get the results. ...Read more

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Is ELISA test for HIV 1 & 2 antibodies conclusive after 8-9 weeks of exposure? Does NON-REACTIVE mean NEGATIVE?

Is ELISA test for HIV 1 & 2 antibodies conclusive after 8-9 weeks of exposure? Does NON-REACTIVE mean NEGATIVE?

ELISA for HIV: The ELISA test is not conclusive after any amount of time. The ELISA is a screening test and if it comes back positive, a Western blot will need to be done. Non-reactive is a good thing to be and it does mean that you are negative for HIV virus. Although there is a window period when you can have the HIV virus but still have a nonreactive result. Another test may be needed in that case. Suerte ...Read more

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Does presence of dsdna antibody (ELISA 120 U) indicate lupus? the lab reference range was normal upto 200U and ANA titre is low with total ANA 55. Thx

Does presence of dsdna antibody (ELISA 120 U) indicate lupus? the lab reference range was normal upto 200U and ANA titre is low with total ANA 55. Thx

More information: Diagnosis of lupus depends on a number of criteria and a positive ANA, even antibody to ds DNA does not mean lupus. Please consult this site and discuss the matter with your doctor. http://www.lupus.org/answers/entry/lupus-diagnostic-criteria ...Read more

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Hi doctor i just have question 14 weeks from elisa test antibody hiv-1and hiv2 was negative is that conclusive and i tested also oraquick came up negative as well. do i need further testing?

Hi doctor i just have question 14 weeks from elisa test antibody hiv-1and hiv2 was negative is that conclusive and i tested also oraquick came up negative as well. do i need further testing?

Both are conclusive: Since the ELISA included HIV2 as well as HIV1, it is a "third generation" antibody test. Those tests are virtually 100% conclusive by 6-8 weeks after exposures. (No need to wait 3 months; that's old news.) The Oraquick oral fluids test is conclusive by 3 months. Therefore, your tests are definitive and prove you don't have HIV, assuming no more recent exposures. You don't need any more tests. ...Read more

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Positive anti-hcv antibody (ELISA)Signal to cut off was 6.60 (False pos?) HCV RNA pcr- not detected 18 years old No risk factors What is my outcome?

Positive anti-hcv antibody (ELISA)Signal to cut off was 6.60 (False pos?)
HCV RNA pcr- not detected 
18 years old No risk factors
What is my outcome?

Normal: All laboratory results need to be interpreted in the clinical context and the doctor who ordered the tests is usually in the best position to do that. Having said that, you are not likely to have hepatitis C. Why was the test done in the first place? Unrelated to your question: Practice safe sex. Get HPV and Hep B vaccines. ...Read more

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Postive Elisa test,positive band 41 western blot positive Ana antibodies- soar throat and extreme fatigue after eating ANYTHING- autoimmune disease?

Postive Elisa test,positive band 41 western blot positive Ana antibodies- soar throat and extreme fatigue after eating ANYTHING- autoimmune disease?

No: I think it may be a good idea for you to consult an allergist. Autoimmune disease is not related to foods although there is no reason why you cannot have more than one illness. ...Read more

Serum (Definition)

Serum is the component of blood that does not contain cells or clotting factors. It does contain electrolytes an ...Read more


Elisa (Definition)

Enzyme-linked immunosorbent assay (elisa) is a test that uses antibodies and color change ...Read more