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?
- A)Brain tumor
- B)Infections meningitis
- C)Post-stroke epilepsy from chronic cortical scarGABARITO
- D)Acute recurrent stroke
- E)Metabolic derangement
Explicação
Post-stroke epilepsy develops in 5-15% of stroke survivors, more commonly after cortical infarcts. Chronic glial scarring and neuronal reorganization create seizure foci. The focal motor seizure with contralateral weakness is typical of motor cortex involvemen... Ver explicação completa e trilha adaptativa →