Generalized periodic epileptiform discharges

Generalized periodic epileptiform discharges (GPEDs) are very rare abnormal patterns found in EEG.<ref name="pmid12967574">,

 Generalised periodic epileptiform discharges: clinical features, neuroradiological evaluation and prognosis in 37 adult patients., 
 Seizure, 
 
 Vol. 12(Issue: 7),
 pp. 465–72,
 DOI: 10.1016/S1059-1311(02)00351-5,
 PMID: 12967574,</ref><ref>, 
 Periodic EEG patterns: importance of their recognition and clinical significance, 
 Arquivos de Neuro-Psiquiatria, 
 
 Vol. 70(Issue: 2),
 pp. 145–151,
 DOI: 10.1590/S0004-282X2012000200014,
 PMID: 22311221,</ref>

Types

Based on the interval between the discharges they are classified as:<ref name="pmid12967574" />

• Periodic short-interval diffuse discharges (PSIDDs)
• Periodic long-interval diffuse discharges (PLIDDs)
• Burst suppression patterns

References

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