Seizure Disorders USMLE Step 1 Practice Question
A 20-month-old previously healthy girl presents to the emergency department during an upper respiratory infection after a witnessed 3-minute generalized tonic-clonic seizure. Vital signs show temperature 39.4°C (102.9°F), heart rate 118/min, respiratory rate 28/min, blood pressure 105/68 mmHg, and SpO2 98% on room air. She rapidly returns to baseline mental status. Neurologic examination, including fundoscopy, is normal. CSF analysis shows no pleocytosis. She has never received antipyretics prior to this event. Which of the following is the most likely diagnosis?
Answer choices
- AFebrile seizureCorrect answer
- BInfantile spasms
- CAbsence seizure
- DLennox Gastaut syndrome
- EFocal impaired awareness seizure
- FAcute encephalitis
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