Parasitology Flashcards
(127 cards)
What are the sx of giardiasis
Bloating, flatulence, foul-smelling diarrhea
This protozoa is often seen in campers/hikers and results in bloating, flatulence, foul-smelling diarrhea
Giardia lamblia
Giardia lamblia is transmitted how? And can be dx by?
Cysts in water, trophozoites or cysts in stool
The treatment for giardiasis is
Metronidazole
This protozoa causes vaginitis that is characterized by foul-smell, greenish discharge, itching and burning
Trichomonas vaginalis
How is trichomonas vaginalis transmitted?
Sexually
Trichomonas vaginalis is dx how?
Trophozoites (motile) on wet mound
The treatment for trichomonas vaginitis is
Metronidazole
Chagas disease is cased by what organism
Trypanosoma cruzi
What are the three sx characteristic of Chagas, and what part of the world do you find this disease
dilated cardiomyopathy, megacolon, megaesophagus; South America
What is the treatment for Chagas disease
Nifurtimox
The reduviid bug (kissing bug”) is responsible for the transmission of this organism”
Trypanosoma cruzi
Trypanosoma cruzi infection can be dx by
Blood smear
African sleeping sickness can be caused by what two organisms?
Trypanosoma gambiense, Trypanosoma rhodesiense
What are the sx of African sleeping sickness?
Enlarged lymph nodes, recurring fever (due to antigenic variation), somnolence, coma
The tsetse fly is responsible for transmission of what organism?
Trypanosoma gambiense and Trypanosoma rhodesiense
The treatment for blood borne African sleeping sickness is..?
Suramin
SURe is nice to go to sleep.
The treatment for African sleeping sickness that has penetrated the CNS is
Melarsoprol - MELAtonin helps with sleep
Trypanosoma gambiense and Trpanosoma rhodesiense can be diagnosed by
Blood smear
Leishmania donovani cause what disease
Visceral leishmaniasis (kala-azar)
What are the sx of visceral leishmaniasis
spiking fevers, hepatosplenomegaly, pancytopenia
The sandfly transmits what organism?
Leishmania donovani
Leishmania donovani is transmitted by what organism?
Sandfly
How do you diagnose infection by Leishmania donovani?
Macrophages containing amastigotes