A 24 year old woman returns from a trip to Mexico with 2 days of watery diarrhea, abdominal cramping, and mild nausea. She has no fever, no blood in the stool, and no leukocytes on stool microscopy. Her friends on the same trip developed similar symptoms after eating from street vendors. Which of the following is the most likely causal organism?
- A)Vibrio cholerae
- B)Shigella dysenteriae
- C)Enterotoxigenic Escherichia coliGABARITO
- D)Giardia lamblia
- E)Enterohemorrhagic Escherichia coli
Explicação
Enterotoxigenic Escherichia coli is correct. Traveler diarrhea with watery stool and no inflammatory features is the classic syndrome caused by ETEC. Its heat labile and heat stable toxins increase intracellular second messengers and produce secretory diarrhea... Ver explicação completa e trilha adaptativa →