Rheumatic arthritis (RA) test

                                                  Rheumatic arthritis (RA) test

Indication: it is done for the diagnosis of rheumatic arthritis.

Common method: (1) Latex method

                                  (2) Nephlometric method

Principle: Serum+ Latex reagent reaction Agglutination.

Articles: (1) black tile;

                (2) sample (serum);

                (3) dropper/micropipette;

               (4) latex reagent;

              (5) timer, marker, cotton, stick, etc.

Procedure: (1) on a black tile take 1 drop of serum.

                      (2) add 1 drop of latex reagent.

                      (3) mix with stick, rotate gently for 1  -  2 minutes and observe result.

Result: No agglutination = negative

             Agglutination = RA positive.

(N:B) Strongly or weakly positive may be given according to the agglutination.