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Related Concept Videos

Seizures: Classification01:13

Seizures: Classification

520
Epilepsy is primarily characterized by unpredictable seizures, either provoked by an identifiable factor, such as injury or illness, or unprovoked, occurring spontaneously without apparent cause.
Seizures are typically classified into two main categories: focal and generalized seizures.
Focal Seizures
Focal seizures originate from specific regions of the brain. These seizures are further sub-classified into two types:
520
Epilepsy and Seizures: Overview01:24

Epilepsy and Seizures: Overview

240
Epilepsy is a chronic neurological disease marked by recurrent, unpredictable seizures. These seizures are caused by abnormal electrical discharges in the brain, leading to behavior, sensation, or consciousness alterations. They can also cause transient impairment of awareness, interfering with daily activities.
Various factors can trigger epilepsy, including genetic factors, brain damage, metabolic causes, and unknown etiology. Diagnosis of epilepsy involves electroencephalography (EEG), which...
240
Electroconvulsive Therapy01:30

Electroconvulsive Therapy

109
Electroconvulsive therapy (ECT), or shock therapy, remains a critical biomedical intervention for severe, treatment-resistant depression. While its origins can be traced back to Hippocrates' observations that malaria-induced convulsions alleviated mental illness, modern ECT has evolved significantly from its earlier, more primitive applications. First introduced in 1938 by Ugo Cerletti and his colleagues, ECT involves inducing controlled seizures using electrical currents. In its early...
109
Antiepileptic Drugs: Sodium Channel Blockers01:08

Antiepileptic Drugs: Sodium Channel Blockers

764
Antiepileptic drugs are specialized medications that prevent seizures in individuals diagnosed with epilepsy. These drugs primarily function by blocking the movement of sodium ions through channels in the neuronal membrane, inhibiting the repetitive firing of action potentials often associated with seizures.
Sodium channel blockers modulate ion channels, particularly voltage-gated sodium channels. They block only sodium ion movement.
Among the most commonly prescribed antiepileptic drugs are...
764
Antiepileptic Drugs: Glutamate Antagonists01:14

Antiepileptic Drugs: Glutamate Antagonists

463
Glutamate is a fundamental neurotransmitter in the central nervous system, playing a vital role in neuronal communication and various cognitive processes. Glutamate stands as the principal excitatory neurotransmitter in the brain. Its presence is crucial for the communication between neurons, underpinning essential processes such as synaptic transmission, neuronal excitability, and plasticity. These functions are vital for higher-order cognitive processes, including learning and memory. The...
463
Antiepileptic Drugs: Potassium Channel Activators01:20

Antiepileptic Drugs: Potassium Channel Activators

240
Ezocgabine or retigabine, an antiepileptic drug of remarkable efficacy, has revolutionized the management of seizures. It is a potassium channel activator, explicitly targeting the family of Q subtype potassium channels. It enhances the transmembrane potassium currents, regulating neuronal excitability. This action stabilizes the resting membrane potential, a pivotal factor in mitigating the hyperexcitability that characterizes epilepsy.
Ezogabine has gained approval as an adjunctive treatment...
240

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Related Experiment Video

Updated: Aug 13, 2025

Non-restraining EEG Radiotelemetry: Epidural and Deep Intracerebral Stereotaxic EEG Electrode Placement
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[Status Epilepticus: Convulsive and Nonconvulsive].

Haruhiko Kishima1

  • 1Department of Neurosurgery, Osaka University Graduate School of Medicine.

No Shinkei Geka. Neurological Surgery
|January 22, 2023
PubMed
Summary

Status epilepticus (SE), a neurological emergency, is increasingly diagnosed in elderly patients, often as nonconvulsive SE (NCSE). Prompt diagnosis and treatment are crucial for preventing neuronal damage and improving outcomes.

Area of Science:

  • Neurology
  • Emergency Medicine

Context:

  • Status epilepticus (SE) is a common neurological emergency.
  • Increasing incidence of SE in the elderly population.
  • Distinction between convulsive SE (CSE) and nonconvulsive SE (NCSE).

Purpose:

  • To highlight the challenges in diagnosing NCSE due to varied clinical presentations and EEG characteristics.
  • To emphasize the importance of timely SE diagnosis and treatment initiation.
  • To review recent advancements in SE diagnosis and management.

Summary:

  • NCSE is frequently diagnosed in the growing elderly population with SE.
  • Prolonged SE can lead to neuronal impairment and is life-threatening.
  • Advances in electroencephalography (EEG) and novel therapeutics are improving SE care.

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Inducing Post-Traumatic Epilepsy in a Mouse Model of Repetitive Diffuse Traumatic Brain Injury
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Related Experiment Videos

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Methods for ECG Evaluation of Indicators of Cardiac Risk, and Susceptibility to Aconitine-induced Arrhythmias in Rats Following Status Epilepticus
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Inducing Post-Traumatic Epilepsy in a Mouse Model of Repetitive Diffuse Traumatic Brain Injury
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Impact:

  • Improved diagnostic accuracy for NCSE.
  • Enhanced understanding of SE in elderly patients.
  • Facilitation of prompt and effective SE treatment strategies.