Helminths Flashcards
Most common helminthic infection
Ascaris lumbricoides –> roundworm
Symptoms of roundworm infection
Usually asymptomatic
Growth retardation
Pneumonitis
Intestinal obstruction
Hepatobiliary and pancreatic injury
Laboratory diagnosis for Ascaris lumbricoides
Bile stained eggs in stool
Treatment for Ascaris lumbricoides
Albendazole
Mebendazole
Possible symptoms of hookworm infection
Ground itch
Diarrhea
Vague abdominal pain
Colic
Nausea
Microcytic hypochromic anemia
Where do hookworms mature?
Jejunum
Where are adult roundworms found in the body?
Jejunum and middle ileum
Laboratory diagnosis for hookworm
Non-bile stained eggs in stool
Treatment for hookworm
Albendazole
Mebendazole
With iron therapy
Another name for ancylostoma duodenale and necator americanus
Hookworm
Larval forms of Strongyloides stercoralis
Rhabditiform
Filariform larvae
Infective form of Strongyloides stercoralis
Filariform larvae
Symptoms of disseminated strongyloidiasis
Severe diarrhea
Malabsorption
Paralytic ileus
Peritonitis
Meningitis
Brain abscess
Stool findings show actively motile rhabditiform and occasionally filariform larvae
Strongyloidiasis
Treatment for strongyloidiasis
Ivermectin
Abendazole
Most common helminth in US
Enterobius vermicularis –> pinworm
White slender nematode with a pointed tail that resides in the cecum, appendix, and ascending colon
Pinworm –> enterobius vermicularis
Treatment for pinworm
Mebendazole
Albendazole
Retreatment in 2 wks
Common name for Trichruis trichiura
Whipworm
Symptoms of heavy infection of Trichruis trichiura, often in children
Abdominal pain
Diarrhea
Appendicitis
Rectal prolapse
Possible growth retardation
Barrel shaped eggs in feces with presence of polar plugs in egg shell
Trichruis trichiura
Treatment of Trichruis trichiura
Albendazole
Mebendazole
Most frequently invaded muscles in trichinosis
Extraocular muscles of eye
Tongue
Deltoid and pectorals
Intercostal muscles and diaphragm