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Related Concept Videos

Seizures: Classification01:13

Seizures: Classification

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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:
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Epilepsy and Seizures: Overview01:24

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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...
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Antiepileptic Drugs: Sodium Channel Blockers01:08

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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...
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Antiepileptic Drugs: Potassium Channel Activators01:20

Antiepileptic Drugs: Potassium Channel Activators

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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...
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Electroconvulsive Therapy01:30

Electroconvulsive Therapy

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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...
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Antiepileptic Drugs: GABAergic Pathway Potentiators01:18

Antiepileptic Drugs: GABAergic Pathway Potentiators

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γ-aminobutyric acid or GABA, plays a pivotal role as an inhibitory neurotransmitter in the brain. GABA pathway potentiators, also known as GABAergic drugs, are a class of pharmaceutical agents designed to enhance the functioning of the GABAergic system. These medications primarily treat epilepsy, a neurological disorder characterized by recurrent seizures.
The key GABA pathway potentiators used in epilepsy management are as follows.
Benzodiazepines are a well-known class of drugs used for...
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Updated: Jan 14, 2026

Author Spotlight: Advancing Pediatric Epilepsy Surgery in Children Through Novel Biomarkers and Enhanced Localization
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Author Spotlight: Advancing Pediatric Epilepsy Surgery in Children Through Novel Biomarkers and Enhanced Localization

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Status epilepticus.

Olivier Dulac1, Takao Takahashi

  • 1Department of Pediatric Neurology, Hôpital Necker-Enfants Malades, UMR663, Paris, France.

Handbook of Clinical Neurology
|April 30, 2013
PubMed
Summary
This summary is machine-generated.

Status epilepticus (SE) is continuous epileptic activity with varied clinical presentations. Diagnosis requires clinical history and EEG for nonconvulsive SE, guiding etiological and symptomatic treatments.

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Long-term Continuous EEG Monitoring in Small Rodent Models of Human Disease Using the Epoch Wireless Transmitter System
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Area of Science:

  • Neurology
  • Epileptology

Background:

  • Status epilepticus (SE) is a critical neurological condition characterized by continuous epileptic seizures.
  • SE can manifest in various seizure types, including convulsive and nonconvulsive forms, affecting diverse age groups and potentially indicating underlying brain damage or epilepsy syndromes.

Purpose of the Study:

  • To provide a comprehensive overview of status epilepticus, encompassing its diverse clinical presentations, diagnostic approaches, and treatment strategies.
  • To highlight the importance of identifying specific etiologies and considering non-chemical interventions in managing SE.

Main Methods:

  • Review of clinical characteristics and diagnostic criteria for status epilepticus.
  • Discussion of specific SE-associated conditions like HHE syndrome and FIRES.
  • Emphasis on the role of electroencephalography (EEG) in diagnosing nonconvulsive SE.

Main Results:

  • Status epilepticus presents with a wide spectrum of seizure types and durations.
  • Diagnosis relies on clinical presentation, history, and EEG for nonconvulsive SE.
  • Specific conditions like HHE and FIRES are linked to SE, often following infections.

Conclusions:

  • Effective management of SE necessitates accurate diagnosis of its cause and type.
  • Treatment should be both symptomatic and etiological, considering factors like brain energy supply.
  • Nonchemical treatments, such as the ketogenic diet, are emerging as valuable therapeutic options.