malaria OSPE Flashcards
Specimens
Blood
Microscopy
Thick and thin smear (stained)
➢ Fluorescent staining (acridine orange)
Rapid diagnostic tests
Detection of antigens (Immunochromatographic
methods)
▪ Histidine rich protein II (HRP II)
▪ Parasite lactate dehydogenase (pLDH)
QBC (Becton and Dickenson)
Quantitative Buffy Coat
P. vivax
stages in blood:Trophozoite Schizonts Gametocytes
trophozoite:Irregular (Amoeboid)
merozoites:Grape like clusters (12- 24)
gametocyte:Spherical
P. falciparum
stages in blood:Rings Gametocytes
trophozoite:Compact
merozoites:Grape like clusters (8- 24)
gametocyte:Crescentic
P. ovale
stages in blood: Trophozoite Schizonts Gametocytes
trophozoite:Amoeboid
merozoites:Irregular (6- 12)
gametocyte:Oval
P. malariae
stages in blood:Trophozoite Schizonts Gametocytes
trophozoite:Band like (Amoeboid)
merozoites:Rosette or daisy head (6- 12)
gametocyte:Round or oval
OTHER
REFER NOTES