a) The RPR test becomes reactive around the chancre stage of syphilis or within 1 to 2 weeks after the chancre first appears. Titers peak during the secondary stage and then decline slowly. Approximately half of the untreated infections will continue to show some level of reactivity, sometimes...
Definition of RPR test Medical Editor:Melissa Conrad Stöppler, MD homemedical dictionary RPR test:Rapid plasma reagin, a blood test forsyphilisthat looks for an antibody that is present in the bloodstream when a patient has syphilis. A negative (nonreactive) RPR is compatible with a person ...
快速血浆反应素环状卡片试验(RPR)是80年代问世的非特异性 血清学试验,所用抗原为标准的牛心肌脂抗原,该方法操作简便、迅速,适用于大量标本检测,目前许多血站用RPR试验对献血者进行梅毒普查。RPR试验和DF方法对一期梅毒的诊断相互配合,可早期诊断梅毒。缺点是当抗体含量过高时,易出现假阴性反应,即前带现象(prozone phen...
Define RPR test. RPR test synonyms, RPR test pronunciation, RPR test translation, English dictionary definition of RPR test. n. 1. A procedure for critical evaluation; a means of determining the presence, quality, or truth of something; a trial: a test o
An RPR test result can be eitherreactiveornonreactive,depending on if antibodies were detected. AnonreactiveRPR result means there were no antibodies to syphilis found in the blood sample. If you have been confirmed as nonreactive and you or your doctor still believe that you are at high risk...
Prepare a 1:16 dilution of the test specimen by adding 0.1ml of serum to 1.5ml of 0.9% saline. Mix thoroughly. Place 50 µl of the 1:50 nonreactive serum diluent in circles 2 through 5 of an RPR card. Using a safety pipetting device with disposable tip, place 50 µl of the ...
RPR test may be positive in low titre when treatment is started late. In late syphilis (cardiovascular, neurological or gummatous lensions) reagin titres may rise. In some cases of neurosyphilis, reagin test in serum may be non-reactive but positive with CSF. ...
The prevalence of biologic false-positive (BFP) reactions for syphilis (reactive rapid plasma reagin [RPR] test, nonreactive fluorescent treponemal antibod... AM Rompalo,RO Cannon,TC Quinn,... - 《Journal of Infectious Diseases》 被引量: 419发表: 1992年 The impact of combined antiretroviral ...
What will the test results say? There are two possible outcomes: positive (reactive) or negative (non-reactive). A negative result means that there were no detectable traces of syphilis in your system. A positive result may indicate that you have syphilis. However, a positive diagnosis cannot...
pallidum in both tests, although one sample was reactive only at the 1:2 dilution in the RPR and its TPHA titer was 1:640. Six samples were only reactive for the TPHA test, while four were non reactive in both tests. The FTA-ABS was performed in these four samples and it was non ...