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763 Possible Causes for Diffuse Slowing

  • Dementia

    In patients with delirium, the EEG shows a diffuse slowing of the background rhythm. An exception is patients with delirium tremens, where the EEG shows fast activity.[] slow waves or epileptiform discharges on electroencephalogram Differentiating Delirium from Primary Psychiatric Disorder Certain signs and symptoms can help physicians distinguish[] slow waves or epileptiform discharges on electroencephalogram View/Print Table TABLE 4 Distinguishing Characteristics of Delirium, Dementia, Psychotic Disorders, and Depression[]

  • Idiopathic Pulmonary Fibrosis

    […] down) disease progression in terms of vital capacity (VC) ( 9%) and diffusing capacity (DLco) ( 24%) in idiopathic pulmonary fibrosis (IPF).[] IFIGENIA-trial demonstrated that therapy with high-dose N-acetylcysteine (NAC) given for one year, added to prednisone and azathioprine, significantly ameliorates (i.e. slows[]

  • Early Infantile Epileptic Encephalopathy 13

    .  Brief attacks (1–5s) consisting of:  a high-voltage, generalised slow wave.  episodic, low-amplitude fast activity.  marked diffuse attenuation of EEG electrical activity[] slow waves in the background, spike at right central area during sleep period (1 y) Normal (3 m) LEV 29.4 mg/kg, OXC 49.4 mg/kg, TPM 5.9 mg/kg, VPA 23.5 mg/kg; Seizures were[] slow spikes-waves of 1.5–2 Hz during NREM sleep is the defining EEG pattern of ECSWS.  III stage is after clinical and EEG remission starts. 30.[]

  • Meningitis

    Serial electrodiagnostic testing demonstrated a rapidly progressive diffuse sensory motor axonopathy, and electroencephalogram findings progressed from generalized slowing[] The capabilities of flow-sensitive MRI, based on slow-flow magnetic resonance pulsing sequences or diffusion-weighted MRI, as an additional valuable diagnostic tool to identify[]

  • Acromegaly

    Pure somatotrope pituitary adenomas (60%) contain either cells rich in secretory granules that show diffuse immunostaining (such densely granulated somatotrope adenoma are[] […] observed in older patients with slow disease progression) or cells poor in secretory granules with scattered immunolabelling (sparsely granulated somatotrope adenomas are[]

  • Lennox-Gastaut Syndrome

    slow wave bursts followed by slow spike and wave discharges in ictal EEG, brain positron emission tomography (PET) and MRI.[] Characteristic EEG features of diffuse slow spike-wave and generalized paroxysmal fast activity ceased in half of the patients.[] slow interictal spike wave in the waking electroencephalogram (EEG) ( 3 Hz) and fast rhythmic bursts (10 Hz) during sleep; slow mental development associated with personality[]

  • Continuous Spike-and-Slow-Waves during Sleep

    The EEG findings were characterized by nearly continuous ( 85%) diffuse slow spike and wave activity in two patients, and localized to one hemisphere in two other cases during[] , slow spike-wave activity(1).[] EEG showed multifocal (predominantly posterior), diffuse and generalized spike-waves, which were continuous during slow-wave sleep, with a spike-wave index 94% [Figure 1].[]

  • Anti-NMDA Receptor Encephalitis

    […] and diffuse slowing.[] […] delta rhythm (6 cases, 9.7%), focal slowing (5 cases, 8.1%), and diffuse beta activities (4 cases, 6.5%).[] slowing to evolving rhythmic delta activity, which may represent a pattern of electrographic seizure activity.[]

  • Early Myoclonic Encephalopathy

    The course observation clarifies differences between both syndromes; SBs evolve to hypsarrhythmia around 3-4 months of age, and sometimes further to diffuse slow spike-waves[] slow spike wave Differentiating Early myoclonic encephalopathy from Ohtahara syndrome: [3] Features/Disease Early myoclonic encephalopathy West syndrome Etiology Non structural[] .  Brief attacks (1–5s) consisting of:  a high-voltage, generalised slow wave.  episodic, low-amplitude fast activity.  marked diffuse attenuation of EEG electrical activity[]

  • Febrile Infection-Related Epilepsy Syndrome

    Electroencephalography showed diffuse slowing or multifocal discharges. Neuroimaging demonstrated normal findings in 10 children.[] Interictal electroencephalography in chronic phase in 3 of 4 patients identified diffuse slowing of cortical rhythm, in 2 cases – epileptiform activity in the form of a spike-and-wave[] Follow-up magnetic resonance imaging was performed in 3 cases: 2 were normal and 1 had mild diffuse cortical atrophy.[]

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