Tickborne Dz/Blood Parasites Flashcards
ehrlicia canis is transmited bu what tick?
brown dog tick, Rhipicephalus sanguineus
ricketsia ricksetssi casues what disease and is transmitted by what?
rocky mountain spotted fever, transmitted by the brown dog tick Rhipicephalus sanguineus
E chaffeensis and E ewingii are transmitted by
Amblyomma americanum, the lone star tick
A phagocytophilum is transmitted by
Ixodes species of ticks
which tick borne disease is this? this is a blood smear from a dog
ehrlicia canis (infects lymphocytes and monocytes)
Ehrlichia ewingii infects what kind of cells and causes what disease
neutrophils, sometimes eosiniophils
causes polyarthritis in dogs
Anaplasma phagocytophilum infects which animals
horses, dogs, cats, humans, camelids
what pathogen is this? this is from a horse
Anaplasma phagocytophilum (infects neutrophils and eosinophils)
Anaplasma platyus in dogs causes
cyclic thrombocytopenia (infects platelets)
what do you use to treat ehrliciosis?
doxycycline
babesiosis is transmitted by
ixodid ticks
babesiosois affects which cells
erythocytes
what is the disease caused by babesia?
hemolysis, anemia, hemoglobinuria, icterus, hypoxemia
what is the treatment for babesiosis?
imidocarb
azitrhomycin (sometimes(
this is a blood smear from a dog that is icteric and anemic. what is it
babesiosis
theileria is a disease affecting cattle in africa and asia. how is it different than babesiosis?
it infects RBCS and WBCs and the anemia is less severe
cytauxzoonosis is similar to theileria. what are the 2 main vectors and what is the natural host?
Amblyomma americanum (lone star) and dermacentor variabilis (american dog tick)
natural host is the bobcat
cytauxzoon felis infects which cells
RBCs
what is the best way to diagnose cytauxzoon felis?
it can be very hard to see on blood smear, so can do PCR instead. NOTE it looks EXACTLY like babesia and theileria species that also infect RBCs.
how is cytauxzoon felis treated
it can be fatal, but can do azithromycin + atovaquone
