What is with EEG suppression-outbreak of early infantile epileptic encephalopathy?

Pathogenesis of this disease is often in the first few months, characterized by paroxysmal attacks of tetanic spasm or tonic-clonic seizures. Spasms can be up to 10 seconds at a time, spasm is 9-15 second, seizures a day number to dust-ups. EEG shows can be seen in sleep and wakefulness in sustained suppression-outbreaks of disorder.

This type of epileptic encephalopathy is a malignant, antiepileptic drug treatment, poor prognosis, often accompanied by severe psychomotor retardation and intractable seizures, in about half a year of birth is often developed into infantile spasms, most of them died before the age of 7.