Seizure Disorders USMLE Step 1 Practice Question
A 58-year-old man with history of left MCA stroke 8 years ago presents with sudden-onset focal motor seizure of the right arm, followed by Todd's paralysis lasting 36 hours. Vital signs: BP 138/82, HR 92, RR 16, Temp 37.2°C, SpO2 98% on room air. Brain MRI shows remote left frontal infarction with gliosis. No fever or recent head trauma. He takes aspirin and lisinopril. Which of the following is the most common etiology of his seizure?
Answer choices
- ABrain tumor
- BInfections meningitis
- CPost-stroke epilepsy from chronic cortical scarCorrect answer
- DAcute recurrent stroke
- EMetabolic derangement
- FSubdural hematoma from fall during seizure
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