Parasites Flashcards Preview

Random First Aid Sections > Parasites > Flashcards

Flashcards in Parasites Deck (23):
1

What are the 3 protozoa that cause GI infections?

Giardia lamblia (cysts in water)

Entamoeba histolytica (cysts in water)

Cryptosporidium (oocytes in water)

2

Trophozoites or cysts in the stool of a camper with fatty, foul-smelling diarrhea is indicative of what?

Giradia - Metronidazole

3

Trophozoites with RBCS in the cytoplasm found in the stool of a patient with bloody diarrhea, liver abscess and RUQ pain is indicative of what?

Entameoba histolytica

4

What is this?

Q image thumb

Entamoeba histoltyica - Metronidazole

5

Brain abscess in HIV - ring enhancing lesions - is indicative of what disease? How is it transimted?

Toxoplasma gondii - cysts in meat or oocytes in cat feces

Sulfadiazine + pyrimethamine

6

What does congenital toxo look like?

Chorioretinitis

Hydrocephalus

Intracranial calcification

7

How might you contract naegleria fowleri

Swimming in freshwater lakes - enters thru cribiform plate 

Rapidly fatal meningoencephalitis

Amphotericin B

8

A person with enlarged LN, recurring fever progressing to somnolence and coma is indicative of what?

Trypanosoma brucei = African Sleeping Sickness 

Tsetse fly - blood smear 

Suramin - blood borne

Melarsoprol - CNS

9

What does this patient have? What are possible sequelae?

Q image thumb

Trophozoite rings - Plasmodium 

Occulde capillaries in brain, kidneys, lungs

10

How do you treat plasmodium?

Chlorquine: Meflloquine or atovoquone/progaunil if resistant

+ Primaquine for hypnozoite

11

What does a patient with fever and hemolytic anemia and this blood smear have? How did they get it? How do you treat it?

Q image thumb

Babesia - Ixodes tick

Atovaquone + Azithromycin

"maltese cross and ring form"

12

What is a patient with T. cruzi at increased risk for developing?

Dilated CM

Megacolon

Achalasia

13

What does this patient have? How did they get it? How do you treat it?

Q image thumb

Chagas disease - T cruzi

Reduvid bug

Benznidazole or nifurtimox

14

A patient with these macrophages, spiking fevers, HSmegaly, and pancytopenia is infected with what?

Q image thumb

Leishmania donovani - Sandfly

Amphotericin B

Mφ containing amastigotes

15

A patient with vaginitis: foul-smelling, greenish discharge, and strawberry cervix has what? How did they get it? How do you treat it?

Q image thumb

Trichomonas vaginalis

STD - can't exist outside humans - can't form cysts

Metronidazole patient and partner

16

Biliary tract disease, cholangiocarcinoma

Clnorchis sinensis

17

Brain cysts, seizures

Taenia solium (cysticercosis)

Praziquantel, albendazole (neuro)

18

Painless hematuria, bladder cancer

Portal HTN

Schistosoma haematobium 

 

19

Liver (hydatid) cysts

Echinococcus granulosus 

(dog feces)

anaphylaxis if released - ethanol to kill

20

Microcytic anemia

IDA

Ancylostoma duodenale, Necator

Bendazole/pyrantel pamoate

21

Peripana pruritis

Enterobius - pinworm

Bendazoles

Ingested

22

Portal HTN

Schistosoma mansoni

Schistosoma japonicum

23

Vitamin B12 deficiency

Diphyllobothrium latum