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Seizures

Seizure:Paroxysmal bouts of electrical activities of the brain manifested by

impaired consciousness, motor, sensory, psychic or autonomic

manifestations.

Convulsion: It is a motor seizure.

Epilepsy: Recurrent chronic unprovoked seizures (2 or more, at least 24 hr

apart) unrelated to fever or acute cerebral insult.

Classification of seizures :

Acute convulsions ( non-recurrent )

-febrile convulsions :

CNS infections : meningitis, encephalitis and brain abscess

-Metabolic disorders: hyoglycemia, hyponatremia, hypernatremia,

hypocalcemia.

-Encephalopathy: hypertensive encephalopathy, uremic encephalopathy.

-Head trauma :

Intracranial haemorrhage :

-Brain tumors

-Fist attack of epilepsy

Recurrent convulsions :

-Primary (idiopathic) : 80 %

-secondary (organic) : 20%

Inborn error of metabolism: galctosemia , phenyketonuria

Brain tumors.

Posttraumatic , postmeningetic