A 15-year-old girl presents with abdominal pain and diarrhea after eating a hamburger at a barbeque the day before. She is afebrile but on rectal examination there is gross blood. Stool analysis is positive for RBCs and negative for fecal leukocytes. What is the most likely diagnosis? How do you confirm the diagnosis? What is a possible sequela of this infection?

A 15-year-old girl presents with abdominal pain and diarrhea after eating a hamburger at a barbeque the day before. She is afebrile but on rectal examination there is gross blood. Stool analysis is positive for RBCs and negative for fecal leukocytes. What is the most likely diagnosis? How do you confirm the diagnosis? What is a possible sequela of this infection?

A 15-year-old girl presents with abdominal pain and diarrhea after eating a hamburger at a barbeque the day before. She is afebrile but on rectal examination there is gross blood. Stool analysis is positive for RBCs and negative for fecal leukocytes. What is the most likely diagnosis? How do you confirm the diagnosis? What is a possible sequela of this infection?



Answer: Enterohemorrhagic E. coli O157:H7. Confirm with stool culture. May lead to hemolytic uremic syndrome (HUS)


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