Parasitology - Worms and Flukes Flashcards
What are the Intestinal Nematodes? (4)
1) Enterobius Vermicularis (pinworm)
2) Ascaris Lumbricoides (giant roundworm)
3) Strongyloides Stercoralis
4) Ancylostoma Duodenale, Necator Americanus (hookworms)
What is the transmission and symptoms of Enterobius Vermicularis?
Fecal-Oral route
Intestinal infection causing Anal Pruritis
How do you diagnose an Enterobius Vermicularis infection?
Scotch Tape Test
What is the treatment of Enterbius Vermicularis?
Bendazoles or pyrantel pamoate
Bendazoles because worms are bendy
What is the transmission and symptoms of Ascaris Lumbricoides?
Fecal-Oral route; intestinal infection
Treatment of Ascaris Lumbricoides?
Bendazoles or pyrantel
What is the transmission and symptoms of Strongyloides stercoralis?
Larvai in skin penetrate the skin
Cause intestinal infection = vomiting, diarrhea, epigastric pain (may be peptic ulcer like)
Treatment for Strongyloides stercoralis?
Ivermectin or Albendazole
What is the transmission and symptoms of Ancylostoma duodenal, Necator Americanus?
Larvae penetrate skin causing an intestinal infection = anemia b/c sucking blood fro intestinal walls
Treatment of Ancylostoma Duodenale, Necator Americanus?
Bendazoles or pyrantel
What syndrome can Ascaris Lumbricoides, Strongyloids Stercoralis, Ancylostoma Duodenale, and Necator Americanus cause? What are the symptoms?
Lofflers Eosinophilic Pneumonitis; Disease in which eosinophils accumulate in lungs in response to parasitic infection; Cardiac damage is caused by the damaging effects of eosinophilic granule proteins = Loeffler Endocarditis (idiopathic or parasitic infection response)
What are the worms that infect tissue? (4)
1) Onchocerca Volvulus
2) Loa Loa
3) Wuchereria bancrofti
4) Toxocara canis
How is Onchocerca volvulus transmitted?
Female blackly bite
What are the symptoms of an Onchocerca volvulus infection?
Hyperpigemented skin and river blindness (black flies, black skin nodules, black sight); allergic reaction possible to microfilaria is possible
How do you treat Onchocerca volvulus?
Ivermectin (ivermectin for river blindness)
How is loa loa transmitted?
Deer fly, horse fly, mango fly
What are the symptoms of a loa loa infection?
Swelling in skin, worm in conjunctiva
What is the treatment for loa loa?
Diethylcarbamazine
How is Wuchereria bancrofti transmitted?
Female mosquito
What are the symptoms of Wuchereria bancrofti?
Blocks lymphatic vessels = elephantitis; takes 9mo-1yr after bite to become symptomatic
How do you treat Wuchereria bancrofti?
Diethylcarbamazine