Helminth Diseases of the Digestive System Flashcards
How many deaths do helminths cause annually worldwide?
500,000
- Tapeworms
Taenia saginata is the beef tapeworm that reach 75 meters and
Taenia solium is the pork tapeworm- either can reach double digits in length
Fish tapeworms found where?
common in cold water fish such are pike, trout, perch, and salmon
What happens after ingesting a fish tapeworm?
10 days later person develops flatulence, distention of the abdomen, cramping, diarrhea
How long of a Fish tapeworm have people passed?
5 feet long
Hydatid disease
causative agent Enterobius vermicularis
Where is Hydatid disease found?
seen in those that raise sheep or hunt
Cysts may take years to grow and in unobstructed areas have been known to contain 4 gallons of fluid in what disease?
Hydatid Disease
What happen if a cyst ruptures and what is treatment of Hydatid disease?
Proteins in fluid may sen patient into anaphylactic shock
treatment is surgical removal of cyst
- Nematodes
round worms
Pinworms
causative agent Enterobius vermicularis
How long is the male and female pinworms and what do they do?
female 8-13 mm ; male 2-5 mm
migrate out of anus at night to lay eggs - causes itching - kids scratch - eggs on hands - infect the entire family
How does one detect a pinworm?
Check child while sleeping at night - look around anal area for female that is visible an will come out to lay eggs while child is sleeping - if not visible attach tape to anal area and remove - take to doctor who will exam tape for eggs
Hookworms
causative agent Necator americanus
Common in SE US
What do hookworms do?
attach to intestinal wall and feeds on blood and tissue rather than on digested food
