+
Related Flashcards
Cards In This Set
| Front | Back |
|
This worm leads to an intensely itchy anal area at night. Scotch tape test is used to pick up its eggs which are laid in the perianal region at night.
|
Enterobius vermicularis "Pinworm" - "Enterobus drops off the kids in the perianal region and if it gets a flat u need to scotch tape it"
|
|
Ubiquitious in tropical areas, only female worms exist, it is tranmitted through the skin, causes larval currens, or "racing larvae", and anemia, diarrhea and vomitting.
|
Strongyloides. "Strong enough to pass thru skin, and strong enough to race thruout body".
|
|
What are the presentations of Strongyloides?
|
A) Intestinal infection, diarrhea, not serious; b) Chronic Infection - racing larvae; c) Hyperinfections occurs in immunosuppressed.
|
|
Lady presents with a prolapse of her rectum, anemia, and inceased eosionphils in the blood. Upon a fecal smear Charcot Leyden Crystals are seen.
|
Whipworm (Trichruis trichiura). Called whipworm becaue of its thread-like anterior and broad posterior, and it is threaded into the mucosal epithelium.
|
|
What are the 4 nematodes that cause intestinal nematodes by ingesting the eggs?
|
Pinworm (Enterobus), Whipworm (Trichuris), Roundworm (Ascaris lumbricoides), & Toxocara caris
|
|
This worm is ingested and wedges itself into the Duodenum where it releases its eggs. The Larvae Presentation shows these larvae traveling to Liver and Lungs. The Adult Worm manifestation leads to fever and Intestinal block. Up to 2000 worms can inhabit the duodenum!
|
Ascaris lumbricoides (Roundworm)
|
|
What is Loeffler's Syndrome?
|
Intense eosionphilic reaction in the lungs that results from Askaris lumbricoides larvae migration. Produces a cough but clears on its own in 2 weeks.
|
|
A child presents with a granuloma in his eye, and mother states that he plays with his friends in a playground every day after school.
|
Toxocara
|
|
What are the 2 worms that can penetrate the skin and then migrate to cause intestinal illness?
|
Strongyloides and Hookworm
|
|
What is the difference btwn Ancylostoma duodenale and Nector americanas?
|
Both are hookworms. Ancyclostoma duodenale is Old World form, and it has teeth in its sucker. Nector americanas ('think America, the new world') is New World form and has cutting plates in its mouth but no teeth.
|
|
Presents as a dermatitis of itching and burning, as well as hermmrhage and anemia due to blood loss. Acquisition by 'walking barefoot'.
|
Hookworm.
|
|
Which produces anticoagulants?
|
Hookworm - produces these to keep blood flowing at the hemorrhage site in order to keep getting nutrients.
|
|
A man was recently fixing a sink and laying on his back and now presents with itchy skin and tracks on his skin. What worm do you suspect?
|
Cutaneous larval migrans, causes "Plumber's Itch".
|
|
Patient gets a worm from walking around barefoot - the fecal smear shows larvae of the worm but NO eggs. This patient presents with diarrhea.
|
Strongyloides stercoralis. *Note main difference btwn Strongyloides and Hookworm is that Hookworm shows eggs in the fecal smear, where Strongyloides only shows larvae.
|
|
What are the 3 nematodes that are transmitted via contaminated food or drink?
|
Trichanella - contaminated pork; Anisakiasis - contaminated sushi/fish; Guinea Worm (Dracunculus) - contaminated water
|
