Seizure Disorders USMLE Step 1 Practice Question
A 9-year-old boy presents with recurrent nocturnal episodes of unilateral facial twitching, drooling, and speech arrest lasting 1-2 minutes, during which he remains fully aware. Vital signs are normal (BP 110/70, HR 82, RR 18, Temp 37°C). Neurologic examination between episodes is completely normal. Brain MRI shows no structural abnormalities. He takes no antiepileptic medications. What is the most likely diagnosis?
Answer choices
- AGeneralized tonic clonic seizure
- BBenign rolandic epilepsyCorrect answer
- CAbsence seizure
- DJuvenile myoclonic epilepsy
- EFocal impaired awareness seizure
- FRolandic migraine with aura
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