These may have focal or asymmetric features and myoclonic seizures may be focal or asymmetric (3).Terminology for the transition from absence seizure leading to bilateral tonic-clonic seizure was described as “the double generalization phenomenon in juvenile absence epilepsy” or “absence-to-bilateral-tonic-clonic seizure as a generalized seizure type." This could lead to confusion as in some patients, a focal component can be seen after the initial absence seizure followed by bilateral tonic-clonic seizure (absence to focal to bilateral tonic-clonic progression). Using the analysis of this progression using Video-electroencephalography (EEG) analyzed with amplitude integrated EEG. These patients will experience absence, myoclonic, tonic-clonic, myoclonic-tonic-clonic and generalized tonic-clonic seizures. Generalized epilepsy represents 23-43% of new-onset epilepsy in children and adolescents (1), and 53-58% of them have one of the IGE syndromes. Rationale::Idiopathic generalized epilepsy (IGE) and generalized genetic epilepsy (GGE) are subtypes of generalized epilepsy.
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