Infectious Diarrhea Flashcards
Which virus accounts for the most cases of non-bloody diarrhea?
Calicivirus.
Which accounts for more cases of acute infectious diarrhea: viral or bacterial infections?
Viral.
What is the mode of transfer of viral pathogens causing non-bloody diarrhea?
Fecal-to-oral.
What is the clinical presentation for calicivirus infection?
Diarrhea, vomiting, abdominal cramps, myalgia, high grade fever, and headache for 1-3 days.
How is calicivirus infection treated?
Supportive care, rehydration.
When are rotavirus infections most common?
During the winter (all year in tropical regions).
What is the clinical presentation of rotavirus infection?
Vomiting followed by watery diarrhea lasting 5-7 days.
How is rotavirus infection treated?
Supportive care, rehydration (possibly anti-rotavirus antibodies).
A vaccine is available.
What is the clinical presentation of enteric adenovirus infection?
Diarrhea, vomiting, and fever lasting 5-7 days.
How is enteric adenovirus infection treated?
Supportive care, rehydration.
What is the clinical presentation of astrovirus infection?
Watery diarrhea for 1-4 days.
How is astrovirus infection treated?
Supportive care, rehydration.
Which food-borne bacteria typically cause non-bloody diarrhea?
(1) enterotoxigenic E. coli
(2) diffusely adhering E. coli
(3) V. cholera
Which non-food-borne bacteria typically cause non-bloody diarrhea?
(1) Aeromonas
(2) Bacteroides fragilis
(3) diffusely adhering E. coli
Which parasites typically cause non-bloody diarrhea?
(1) Giardia
(2) Cryptosporidium
(3) Cyclospora
(4) Trichella spiralis
