What causes epilepsy in the elderly?

Patient's question:

My friend's mother, who suffered from cardiovascular and cerebrovascular diseases in 2010, often complains of dizziness, and her blood pressure is stable. Therefore, the family does not allow her to go alone or be left unattended. She is still taking medication now. In recent days, for some reason, she suddenly fell to the ground, experiencing, but she did not foam at the mouth. The doctor confirmed it was epilepsy.

Doctor's answer:

Intracranial infections include encephalitis, meningitis, brain abscesses, tuberculous brain tumors, and acute-stage venous or arterial thrombosis of the cerebral cortex. Various types of cerebral edema can lead to epilepsy. Post-infection meningeal adhesions or cortical scars are also causative factors. Cerebrovascular disease is the most common cause of late-onset epilepsy in the elderly, accounting for 30% to 44%. Epilepsy can occur during the acute phase, several years after a stroke, or as its only manifestation or initial symptom. It is more common in ischemic cerebrovascular diseases, while hemorrhagic cases are more likely to occur during the acute phase.

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