Generalized seizures, in contrast to partial ones, begin with either bilateral bodily movements or impairment of consciousness, or both. They suggest a widespread, bilateral cortical disturbance that may be either hereditary or acquired. When generalized seizures of the tonic-clonic (grand mal) variety start in childhood or young adulthood, they are often hereditary. When tonic-clonic seizures begin after the age of 30, suspect either a partial seizure that has become generalized or a general seizure caused by a toxic or metabolic problem. Toxic and metabolic causes include withdrawal from alcohol or other sedative drugs, uremia, hypoglycemia, hyperglycemia, hyponatremia and water intoxication, and bacterial meningitis.
Postictal (Postseizure) State
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