Women traveling from Bihar to Delhi is suspecting to have Kala-azar. Suitable investigation is?

Women traveling from Bihar to Delhi is
suspecting to have Kala-azar. Suitable
investigation is ?
a) P24 antigen
b) Rk-39 test
c) Combo RDT
d) HRP-2 antigen
Correct Answer - B
Ans. is ‘b’ i.e., rk-39 test [Ref Park 23rd le p.305, 306; Essentials of
microbiology p.785]
Laboratory diagnosis of Kala-azar
The demonstration of parasite LD bodies in the aspirates of the
spleen, liver, bone marrow or lymph node is only way to confirm
visceral leishmaniasis.
Hematological findings : T ESR, anaemia, reversed albumin-globulin
ratio & leucopenia
Aldehyde test of Napier is a simple test widely used in India for the
diagnosis of Kala-azar.
Serological test : Direct agglutination test, rk 39 dipstick test, ELISA
& Indirect fluorescent antibody test.
Leishmanin test : This test is based on skin reaction.