Seizure Disorders USMLE Step 1 Practice Question
A 4-year-old boy with developmental delay presents with frequent falls from sudden loss of postural tone and intermittent staring spells. His parents report nocturnal generalized convulsions. Vital signs show BP 95/60, HR 98, RR 20, temperature 37°C, and SpO2 98% on room air. EEG demonstrates characteristic 3-Hz slow spike-and-wave pattern. Serum glucose is normal. He has no recent head trauma or fever. Which of the following is the most likely diagnosis?
Answer choices
- AFebrile seizure
- BJuvenile myoclonic epilepsy
- CLennox Gastaut syndromeCorrect answer
- DAbsence seizure
- EBenign rolandic epilepsy
- FInfantile spasms (West syndrome)
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