Titer or titre is a way of expressing concentration. The titer corresponds to the highest dilution factor that still yields a positive reading. Titers are sometimes expressed by the denominator only, for example is written The term has also two other, conflicting meanings. In titration, the titer is the ratio of actual to nominal concentration of a titrant, e.
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Blood Titer – Overview
Fortunately, getting a blood titer is not as complicated as it may seem. We are here to help you understand what a blood titer is, the process for getting a titer done, and how to interpret the results once the testing process is complete. Need a blood titer now? We offer all of the common blood titers with affordable prices and fast results. A blood titer is a special blood test that checks if you are immune to a specific disease. The most common blood titers required are for hepatitis B titer , MMR titer and varicella chickenpox blood titers. Why is an antibody level important?
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The immune system produces antibodies to mark invading microorganisms for destruction or to neutralize them before they can cause an infection. Invading microorganisms are known as pathogens. Pathogens have markers on them known as antigens , which antibodies find and bind to. The binding of antigens to antibodies sparks the immune response. This is a complex interaction of immune tissues and cells that work to defend against invading organisms and fight infection. This test can be used to determine the following:. In general, no special preparation is needed for this test. The antibody titer is a blood test. A healthcare provider ties a band above the site where the blood will be taken. They next clean and sterilize the site with antiseptic before inserting a small needle directly into a vein.
We report a case of severe intrauterine hemolysis caused by sole anti-E alloimmunization. A year-old multipara woman presented with hydrops fetalis at 27 weeks of gestation. She had a history of previous neonatal death. In this pregnancy, she was found to have very high titer of anti-E antibody. Ultrasonography detected marked skin edema, cardiomegaly, hepatosplenomegaly, pleural effusion, ascites, placentomegaly, and polyhydramnios. The Doppler peak systolic velocity in the middle cerebral artery was 0.
