Case Presentation: A 59-year-old previously healthy female presented to the emergency department with progressive cognitive decline, psychomotor retardation, and both auditory and visual hallucinations of subacute onset for which she was previously admitted to inpatient care at two separate hospitals. Extensive testing during these admissions were negative for: infection, metabolic derangement, hematologic malignancy, toxins, heavy [...]

Case Presentation: A previously healthy, obese 15-year-old male presented to an ED in North Carolina with acute encephalopathy preceded by six days of flu-like symptoms with one day of diarrhea and cough. On presentation, he was febrile, tachycardic, tachypneic, with other vital signs normal. He was disoriented with slowed speech, inappropriate laughter, and delayed verbal [...]