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34 Cards in this Set

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Describe the mechanism of transmission of Entamoeba Histolytica.
1. Night soil fertilization
2. Flies-surface wells
3. Conamination of water
4. Water, flies, cyst passer
5. Amebiasis
6. Fecal-oral contamination
What symptoms do patients infected with entamoeba histolytica present with?
Dysentery, GI bleeding, may mimic GI carcinoma
What is the most common manifestation of entamoeba histolytica in tropical countries?
Amebic liver abscess
On biopsy you see a "flask shaped" ulcer in the colon, what is the parasite?
Entamoeba histolytica
On biopsy you see red cells in the cytoplasm of an ameoba, what is the species?
Entamoeba histolytica
What is the etiologic agent of Giardiasis?
Giardia lamblia
How is giardiasis transmitted?
Via contaminated water, usually in US hikers, but also contaminated hotel water in foreign countries.
What is the major symptom of giardiasis?
Severe, non-invasive diarrhea
What is the treatment for giardiasis?
Oral re-hydration and metronidazole
Describe the oocysts found in cryptosporidiosis.
Environementally resistant oocysts that replicated in human gut.
Describe the mechanism of transmission of Entamoeba Histolytica.
1. Night soil fertilization
2. Flies-surface wells
3. Conamination of water
4. Water, flies, cyst passer
5. Amebiasis
6. Fecal-oral contamination
What symptoms do patients infected with entamoeba histolytica present with?
Dysentery, GI bleeding, may mimic GI carcinoma
What is the most common manifestation of entamoeba histolytica in tropical countries?
Amebic liver abscess
On biopsy you see a "flask shaped" ulcer in the colon, what is the parasite?
Entamoeba histolytica
On biopsy you see red cells in the cytoplasm of an ameoba, what is the species?
Entamoeba histolytica
What is the etiologic agent of Giardiasis?
Giardia lamblia
How is giardiasis transmitted?
Via contaminated water, usually in US hikers, but also contaminated hotel water in foreign countries.
What is the major symptom of giardiasis?
Severe, non-invasive diarrhea
What is the treatment for giardiasis?
Oral re-hydration and metronidazole
Describe the oocysts found in cryptosporidiosis.
Environementally resistant oocysts that replicated in human gut.
Describe the mechanism of transmission of Entamoeba Histolytica.
1. Night soil fertilization
2. Flies-surface wells
3. Conamination of water
4. Water, flies, cyst passer
5. Amebiasis
6. Fecal-oral contamination
What symptoms do patients infected with entamoeba histolytica present with?
Dysentery, GI bleeding, may mimic GI carcinoma
What is the most common manifestation of entamoeba histolytica in tropical countries?
Amebic liver abscess
On biopsy you see a "flask shaped" ulcer in the colon, what is the parasite?
Entamoeba histolytica
On biopsy you see red cells in the cytoplasm of an ameoba, what is the species?
Entamoeba histolytica
What is the etiologic agent of Giardiasis?
Giardia lamblia
How is giardiasis transmitted?
Via contaminated water, usually in US hikers, but also contaminated hotel water in foreign countries.
What is the major symptom of giardiasis?
Severe, non-invasive diarrhea
What is the treatment for giardiasis?
Oral re-hydration and metronidazole
Describe the oocysts found in cryptosporidiosis.
Environementally resistant oocysts that replicated in human gut.
What type of patients are primarily infected with cryptosporidiosis?
Immunocompromised patients
What is the epidemiology of cryptosporidiosis?
Capable of infecting multiple hosts including cattle, livestock and dogs.
What are the symptoms of cryptosporidiosis?
Malabsorption causing diarrhea, may disseminate to involve gallbladder, biliary tree, and respiratory mucosa.
What is the treatment for cryptosporidiosis?
No good drug therapy, maintenance of good cellular immunity is most important.