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19 Possible Causes for Slowing with Polyspike-and-Slow-Waves, Variable Psychomotor Retardation

  • Myoclonic-Astatic Epilepsy

    retardation mainly affecting speech.[ipfs.io] Atonia is usually concurrent with the slow wave of a single- or polyspike-wave complex.[medlink.com] Boys (74%) are more often affected than girls (Doose and Baier 1987a). [2] Prognosis Epilepsy with myoclonic-astatic seizures has a variable course and outcome.[ipfs.io]

  • West Syndrome

    […] clinical manifestations such as hypotonia, psychomotor retardation, and feeding difficulties.[ncbi.nlm.nih.gov] Leigh syndrome (LS) (sub-acute necrotizing encephalomyelopathy) is characterized by symmetric brain lesions occurring mainly in the basal ganglia and associated with variable[ncbi.nlm.nih.gov]

  • Early Infantile Epileptic Encephalopathy Type 2

    […] paroxysms of polyspikes or spikes-slow waves.  Ictal EEG  Varies according to seizure type. 16.[slideshare.net] […] degree of psychomotor delay and cognitive impairment, ranging from mild to severe mental retardation [23].[journals.plos.org] , slow-spike-and-wave and polyspike-and-slow-wave complexes in five patients; intermittent hypsarrhythmia in four cases; sharp waves in three cases; slow waves with high amplitude[nature.com]

  • Coffin-Lowry Syndrome

    Based on the clinical association of growth and psychomotor retardation with hypotonia, progressive skeletal deformations, characteristic facial dysmorphism, and large soft[accessanesthesiology.mhmedical.com] Fig. 2 EEG of the first episode (average montage). a Ictal recording was marked by subcontinuous bursts of polyspikes and intermingled diffuse spike waves (1-3 s) without[karger.com] It characterized by moderate to severe psychomotor and growth retardation, characteristic facial features, skeletal deformities and tapering fingers in males.[alliedacademies.org]

  • Ring Chromosome 10

    The clinical variability of fourteen r(Jeny6) individuals when reviewed was shown to include growth failure, psychomotor retardation, eye and facial abnormalities and abnormal[tp.amegroups.com] EEG patterns of two types are recognized - diffuse, atypical slow sharp/spike-and-wave complexes in long bursts activated by slow wave sleep or high amplitude fast spike/polyspike-and-wave[epilepsydiagnosis.org]

  • Ring Chromosome 17

    The clinical variability of fourteen r(Jeny6) individuals when reviewed was shown to include growth failure, psychomotor retardation, eye and facial abnormalities and abnormal[tp.amegroups.com] EEG patterns of two types are recognized - diffuse, atypical slow sharp/spike-and-wave complexes in long bursts activated by slow wave sleep or high amplitude fast spike/polyspike-and-wave[epilepsydiagnosis.org]

  • Ring Chromosome 11 Syndrome

    The clinical variability of fourteen r(Jeny6) individuals when reviewed was shown to include growth failure, psychomotor retardation, eye and facial abnormalities and abnormal[tp.amegroups.com] EEG patterns of two types are recognized - diffuse, atypical slow sharp/spike-and-wave complexes in long bursts activated by slow wave sleep or high amplitude fast spike/polyspike-and-wave[epilepsydiagnosis.org]

  • Ring Chromosome 14 Syndrome

    The clinical variability of fourteen r(Jeny6) individuals when reviewed was shown to include growth failure, psychomotor retardation, eye and facial abnormalities and abnormal[tp.amegroups.com] EEG patterns of two types are recognized - diffuse, atypical slow sharp/spike-and-wave complexes in long bursts activated by slow wave sleep or high amplitude fast spike/polyspike-and-wave[epilepsydiagnosis.org]

  • Ring Chromosome 15

    The clinical variability of fourteen r(Jeny6) individuals when reviewed was shown to include growth failure, psychomotor retardation, eye and facial abnormalities and abnormal[tp.amegroups.com] EEG patterns of two types are recognized - diffuse, atypical slow sharp/spike-and-wave complexes in long bursts activated by slow wave sleep or high amplitude fast spike/polyspike-and-wave[epilepsydiagnosis.org]

  • Early Infantile Epileptic Encephalopathy Type 14

    […] paroxysms of polyspikes or spikes-slow waves.  Ictal EEG  Varies according to seizure type. 16.[slideshare.net] The majority of affected patients had mild to severe psychomotor retardation. Hypotonia, hypertonia and dystonia were common as well [ 9 ].[bmcmedgenet.biomedcentral.com] , slow-spike-and-wave and polyspike-and-slow-wave complexes in five patients; intermittent hypsarrhythmia in four cases; sharp waves in three cases; slow waves with high amplitude[nature.com]

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