What is myoclonus absence epilepsy?

&Nbsp;   the disease onset age of 2~12sui, about 7 years old to peak, male-dominated. Clinical characteristics of free with body rhythms of clonic TIC, shoulder and leg highlight, can also occur at tonic contraction, to attack several times a day. Interictal and ictal EEG are accompanied by bilateral synchronized Spike and slow wave symmetric 3 times/second. This ineffective drug treatment, most of them are extended to adults, often mental retardation, and some may develop into other types of epilepsy. Prognosis is poor.