RBC Parasites Flashcards
How can you tell a cat has hemobartonella felis?
Coccoid, rod, or ring like structure around the edge of the RBC. Dark purple, non refractive on diff quick
What is hemobartonella felis or mycoplasma hemofelis?
Opportunistic parasite, especially immunocompromised
What should you check for if a cat has mycoplasma hemofelis?
Immunosuppression
What type of parasite causes hemobartonella canis?
Rickettsia
What type of parasite causes hemobartonella felis?
Rickettsia/mycoplasma
Hemobartonella canis is rare, when is it seen?
In splenectomy zed or immunosuppressed dogs
What does hemobartonella canis look like?
Chain if cocci or rods that stretch across the RBC surface
What parasite causes anaplasmosis marginal?
Rickettsia
What does anaplasmosis marginal get confused with?
Howell jolly bodies or precipitated stain
What is anaplasmosis marginal?
Intracellular parasite of cattle RBC
What will anaplasmosis marginal look like?
Dark staining cocci at margin of RBC
What parasite causes cytauxzoon felis?
Protozoa
What does cytauxzoon felis cause?
Hemolytic anemia in cats
What does cytauxzoon felis look like?
Small irregular ring formed withing RBC, lymphs, and macrophages
What parasite causes Babesia spp. ?
Protozoa
Where can babesia be found? 3
Cattle ( b Bigemia) horses ( b cabali) or dogs (b gibsoni)
What does babesia spp look like?
Appear as large tear drop or ring shaped intracellular structures.
What parasite causes ehrlichia spp?
Rickettsia
What are two types of ehrlichia?
Canine and horse
What is ehrlichia spp?
Intracellular parasite of monocytes and neutrophils
Whatdoes ehrlichia look like?
Appears as a small cluster in the cytoplasm
What are three symptoms of ehrlichia on the cellular level?
Decrease in neutrophils, platelets, and anemia
What is ehrlichia vector?
Brown dog tick
What parasite is dirofilaria immitus?
Nematode
