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18 Possible Causes for Irregular Generalized Spike-and-Slow-Waves

  • Epilepsy

    spike waves and focal discharges generalized spike waves, PPR irregular generalized spike waves, PPR not specified generalized slow spike waves and runs of fast spikes not[ncbi.nlm.nih.gov] MSs, GTCSs, NCS, SE, TSs, HSs, FDSs, MAs, atypical ASs MSs, FDSs, GTCSs, atypical ASs, AtSs Fever sensitivity not specified no yes yes no not specified one patient no EEG generalized[ncbi.nlm.nih.gov]

  • Panayiotopoulos Syndrome

    An outpatient EEG 6 months later showed abundant multifocal, predominantly posterior, as well as irregular generalized spike-and-slow-wave discharges on normal background[ncbi.nlm.nih.gov] […] background Irregular generalized spike or polyspike and slow wave complexes Photosensitive, decreased during sleep Prognosis: Slow progression, may live to 60s Lafora Disease[emilytam.com] Inpatient brain magnetic resonance imaging (MRI) scan showed restricted diffusion-weighted imaging within his left temporal lobe and electroencephalograms (EEGs) left temporal slowing[ncbi.nlm.nih.gov]

  • Progressive Myoclonic Epilepsy Type 3

    EEG findings include slowing of background activity and bursts of atypical, irregular generalized spike-wave complexes, polyspike-wave complexes or sharp-slow wave complexes[clinicalgate.com]

  • Benign Familial Infantile Epilepsy

    […] background Irregular generalized spike or polyspike and slow wave complexes Photosensitive, decreased during sleep Prognosis: Slow progression, may live to 60s Lafora Disease[emilytam.com] Stimulus-sensitive myoclonus GTC seizures, absence seizures Mental retardation, ataxia, dysarthria MRI – normal or atrophy of pons, medulla, cerebellum EEG findings: Diffusely slow[emilytam.com]

  • Familial Infantile Myoclonic Epilepsy

    […] background Irregular generalized spike or polyspike and slow wave complexes Photosensitive, decreased during sleep Prognosis: Slow progression, may live to 60s Lafora Disease[emilytam.com] Stimulus-sensitive myoclonus GTC seizures, absence seizures Mental retardation, ataxia, dysarthria MRI – normal or atrophy of pons, medulla, cerebellum EEG findings: Diffusely slow[emilytam.com]

  • Generalized Motor Seizure

    Generalized fast rhythmic spikes are seen in the tonic stage. Bursts of spikes and after-coming slow waves are synchronous with clonic jerks.[medlink.com] A postictal period of irregular slow activity follows. Imaging. Neuroimaging is normal. Genetics. It has a complex inheritance.[medlink.com]

  • Idiopathic Generalized Epilepsy

    Generalized fast rhythmic spikes are seen in the tonic stage. Bursts of spikes and after-coming slow waves are synchronous with clonic jerks.[medlink.com] A postictal period of irregular slow activity follows. Imaging. Neuroimaging is normal. Genetics. It has a complex inheritance.[medlink.com]

  • Priapism

    An outpatient EEG 6 months later showed abundant multifocal, predominantly posterior, as well as irregular generalized spike-and-slow-wave discharges on normal background[ncbi.nlm.nih.gov] Inpatient brain magnetic resonance imaging (MRI) scan showed restricted diffusion-weighted imaging within his left temporal lobe and electroencephalograms (EEGs) left temporal slowing[ncbi.nlm.nih.gov]

  • Juvenile Absence Epilepsy

    EEG exclusion criteria : (1) Irregular, arrhythmic generalized discharges of spike-polyspike-slow waves with marked variations of the intradischarge frequency. (2) Significant[medlink.com] The main alternative pattern is generalized and irregular spike-and-wave (3-5 Hz), reported among 25.2-78.4% of cases 6,19.[scielo.br] However, on EEG, intermittent photic stimulation often facilitates generalized discharges and absences.[medlink.com]

  • Neuronal Ceroid Lipofuscinosis

    Paroxysmal, generalized, irregular slow-wave discharges were seen in 30% of the recordings and focal spikes in less than 20%, usually in those 10 years of age or older.[dovepress.com] […] genetically verified patients with JNCL, consecutive EEG recordings were performed. 34 Abnormal background activity was found as early as age 7 years, and consisted of slightly irregular[dovepress.com]

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