Case of the Week
Section Editors: Matylda Machnowska1 and Anvita Pauranik2
1University of Toronto, Toronto, Ontario, Canada
2BC Children's Hospital, University of British Columbia, Vancouver, British Columbia, Canada
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A 56-year-old woman presents to the emergency department with aphasia and acute encephalopathy. Initial noncontrast head CT/CTP/CTA are all negative for acute infarction, hemorrhage, and major vessel occlusion. The patient then reports abdominal pain, experiencing both diarrhea and coffee ground emesis. Laboratory results yield findings consistent with renal failure and thrombocytopenia; stool analysis yields Shiga toxin.