End of protozoa and begining of helmiths Flashcards Preview

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Flashcards in End of protozoa and begining of helmiths Deck (16):
1

trypanosoma cruzi

causes chagas disease: dilated cardiomyopathy, megacolon, megaesophagus. predominantely in South America.

2

transmission of trypanosoma cruzi, dx, and tx

reduviid bug feces deposited in a painless bite.
dx with blood smear. give benznidazole or nifurtimox

3

What is leishmania donovani?

visceal leishmaniasis: spiking fevers, hepatosplenomegaly, and pancytopenia

4

Transmission, Dx, and tx of leishmania donovani

transmitted by the sandfly. dx with macrophages containg amastigotes. tx: amphotericin B, (sodium stibogluconate

5

trichomonas vaginalis: dx, disease, treatment

vaginitis: foul-smelling, greenish discharge, istching and burning. see motile trophozoites on wet mount and "strawberry cervix" on exam. tx is metronidazole

6

transmission, disease, and tx of enterobius vermicularis?

aka pin worm
transmitted fecal-oral
this is an intestinal infection that causes anal pruritis
give bendazoles
(roundworm)

7

transmission, disease, and tx of ascaris lumbricoides

fecal oral transmission. eggs visible under microscope. causes intestinal infection. give bendazoles or pyrantel pamoate. roundworm (nematode)

8

Strongyloides sterocoralis transmission, disease, and tx

larvae in soil penetrate the skin. causes intestinal disease with vomiting, diarrhea, and epigastric pain (like PUD). give albendazole or ivermectin
roundworm (nematode)

9

Necator americanus: transmission, disease, and tx

aka hookworm. larvae penetrate the skin. intestinal infection that causes anemia by sucking blood from intestinal walls. tx is bendazoles or pyrantel pamoate
roundworm

10

onchocerca volvulusL transmission, disease, and tx

transmitted by female black fly. causes river blindness and hyperpigmented skin (black fly, black skin lesions, black sight). allergic rxn ro microfilaria possible. give Ivermectin. roundworm

11

Loa loa transmission, disease, and tx

transmitted by deer fly, horse fly, and mango fly. causes swelling of skin and a worm in the conjunctiva. tx is diethylcarbamazine
roundworm

12

Wuchereria bancrofti

transmitted by female mosquito. blocks lympathic vessels and causes elephantiasis. takes up to 1 year to become symptomatic. treat with diethylcarbamazine
roundworm

13

Toxocara canis

fecal oral. causes visceral larva migrans. treat w/ albendazole or mebendazole.

14

What nematodes are transmitted by ingestion?

enterobius, ascaris, toxocara (EAT)

15

What nematodes are transmitted cutaneously?

Strongyloides, anclystoma, necator

16

What nematodes are transmited by bites?

loa loa, onchocerca volvulus, wuchereria bancrofti