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Related Experiment Videos

[Lateralized periodic activity and cerebral infarct].

D Mabin, G Besson

    Revue D'Electroencephalographie Et De Neurophysiologie Clinique
    |December 1, 1986
    PubMed
    Summary

    Periodic activity (PA) on EEG, characterized by 100-150 microV complexes every 2 seconds, was observed in a patient with temporal brain infarction. This periodic activity disappeared during electroclinical seizures.

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    Area of Science:

    • Neurophysiology
    • Neurology
    • Medical Imaging

    Context:

    • Electroencephalography (EEG) monitoring in patients with acute cerebral infarction.
    • Characterization of specific electrophysiological patterns associated with brain injury.
    • Correlation of EEG findings with neuroimaging (CT scan) results.

    Purpose:

    • To describe the electrophysiological evolution of periodic activity (PA) in acute cerebral infarction.
    • To analyze the relationship between PA and electroclinical seizures.
    • To document the characteristics of PA, including amplitude, duration, and frequency.

    Summary:

    • EEG recordings revealed periodic activity (PA) with 100-150 microV complexes, 750 msec duration, occurring every 2 seconds in a 57-year-old male with temporal brain infarction.
    • The periodic activity was observed to be transient, disappearing during electroclinical seizures.
    • A CT scan confirmed the presence of temporal lobe infarction.

    Impact:

    • Provides detailed electrophysiological data on a specific EEG pattern in acute stroke.
    • Highlights the dynamic relationship between periodic activity and seizure occurrence.
    • Contributes to understanding the neurophysiological manifestations of cerebral infarction.

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