19-month-old Girl with Seizure

Pediatric seizures are an alarming presentation to the emergency department (ED) that can be caused by a multitude of etiologies. It is important to differentiate life-threatening conditions from more benign causes. A 19-month-old girl presented to the ED after a witnessed seizure. This case offers a differential diagnosis for pediatric seizures and uses history, exam, laboratory findings, and imaging to hone the differential in the ED setting. The surprising final diagnosis and case outcomeare then revealed and discussed.