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The rapid plasma reagin test (RPR test or RPR titer) is a type of rapid diagnostic test that looks for non-specific antibodies in the blood of the patient that may indicate an infection by syphilis or related non-venereal treponematoses. It is one of several nontreponemal tests for syphilis (along with the Wassermann test and the VDRL test).
Nontreponemal tests are screening tests, very rapid and relatively simple, but need to be confirmed by treponemal tests. [1] Centers for Disease Control and Prevention (CDC)-approved standard tests include the VDRL test (a slide test), the rapid plasma reagin (RPR) test (a card test), the unheated serum reagin (USR) test, and the toluidine red ...
The basis of the test is that an antibody produced by a patient with syphilis reacts with an extract of ox heart (diphosphatidyl glycerol). It therefore detects anti-cardiolipin antibodies (IgG, IgM or IgA), visualized through foaming of the test tube fluid, or "flocculation". [citation needed] The rapid plasma reagin (RPR) test uses the same ...
Developed by privately held NOWDiagnostics, the antibody test helps identify current or past infection and provides a result in about 15 minutes. However, the regulator added that the results from ...
Aug. 20—Amid a local and national surge of syphilis, the U.S. Food and Drug Administration this month approved an over-the-counter test for the sexually transmitted infection. While some may ...
Syphilis (/ ˈ s ɪ f ə l ɪ s /) is a ... (RPR) tests. False positives on the nontreponemal tests can occur with some viral infections, such as varicella ...
Syphilis rates are at the highest since the 1950s. Public health officials are trying to bring levels down by making testing and treatments more available.
The Wassermann test or Wassermann reaction (WR) [1] is an antibody test for syphilis, named after the bacteriologist August Paul von Wassermann, based on complement fixation. It was the first blood test for syphilis and the first in the nontreponemal test (NTT) category. Newer NTTs, such as the RPR and VDRL tests, have mostly
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