rapid plasma reagin test

rapid plasma reagin (RPR) test

 [rap´id plaz´mah re´ah-jin]

any of a group of screening flocculation tests for syphilis, using a modified VDRL antigen.

rap·id plas·ma re·a·gin test

a group of serologic tests for syphilis in which unheated serum or plasma is reacted with a standard test antigen containing charcoal particles; positive tests yield a flocculation. A modification, called the RPR (circle) card test, is widely used as a screening test.

Synonym(s): RPR test

rapid plasma reagin test (RPR test)

an agglutination examination used in screening for syphilis. The test detects two groups of antibodies. The first is a nontreponemal antibody (reagin) directed against a lipoidal agent resulting from a Treponema pallidum infection. The second is an antibody directed against the T. pallidum organism itself.

rap·id plas·ma re·a·gin test

(rap'id plaz'mă rē-ā'gin test)

Serologic tests for syphilis in which unheated serum or plasma is reacted with a standard test antigen containing charcoal particles; positive tests yield a flocculation.
Synonym(s): RPR test.