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Seizures: Classification

Seizures: Classification

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:

Epilepsy and Seizures: Overview

Epilepsy and Seizures: Overview

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...

Epilepsy ll: Types

Epilepsy ll: Types

Recurrent seizures, stemming from abnormal electrical activity in the brain, are the defining characteristic of epilepsy, a chronic neurological condition. Because seizure features vary greatly, epilepsy is classified using two systems: by seizure type and by epilepsy syndromes. These classifications enable clinicians to describe seizure patterns and select suitable treatment strategies.I. Classification by Seizure Type1. Focal EpilepsyFocal epilepsy begins in one hemisphere of the brain.

Seizures l: Introduction

Seizures l: Introduction

Understanding seizures and epilepsy relies on key definitions that help in recognizing, classifying, and managing these disorders. These definitions provide a framework for recognizing, classifying, and managing seizure disorders.DefinitionsA seizure is a sudden, abnormal burst of electrical activity in the brain that can cause changes in awareness, movement, sensation, or behavior, depending on the area involved. Epilepsy is a chronic condition characterized by recurrent, unprovoked seizures,...

Seizures ll: Types

Seizures ll: Types

Seizures are sudden bursts of abnormal electrical discharge in the brain that interfere with normal function. They are commonly divided into three groups: focal seizures, generalized seizures, and other types that do not fit neatly into either category.Focal SeizuresFocal seizures begin in a single brain region. When awareness is preserved, they are called focal aware seizures and may cause sensations such as tingling, unusual smells, or flashing lights. When awareness is impaired, they are...

Antiepileptic Drugs: Modulators of Neurotransmitter Release Mediated by SV2A Protein

Antiepileptic Drugs: Modulators of Neurotransmitter Release Mediated by SV2A Protein

Antiepileptic drugs, such as levetiracetam (Keppra) and brivaracetam (Briviact), have emerged as crucial tools in managing epilepsy. These medications exert their therapeutic effects by targeting the synaptic vesicle protein SV2A, a transmembrane glycoprotein primarily found in the brain.
SV2A is a transmembrane glycoprotein located predominantly in the brain, modulating the release of neurotransmitters for neuronal communication. Both levetiracetam and brivaracetam exhibit a high affinity for...

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Epilepsia partialis continua associated with levamisole.

Marina N Aberastury¹, Walter H Silva, Maria M Vaccarezza

¹Department of Pediatric Neurology, Hospital Italiano de Buenos Aires, Buenos Aires, Argentina. marina.aberastury@hospitalitaliano.org.ar

Pediatric Neurology

|April 13, 2011

Summary

This summary is machine-generated.

Levamisole, an immunomodulating drug, can cause epilepsia partialis continua (EPC), a form of continuous focal seizures. This case report details a unique association between levamisole-induced EPC and distinct cortical lesions visible on MRI.

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Area of Science:

Neurology
Neuroimmunology
Radiology

Background:

Epilepsia partialis continua (EPC) is characterized by continuous focal motor seizures.
Levamisole is an immunomodulating agent used for conditions like recurrent aphthous ulcers.
Levamisole has been linked to multifocal inflammatory leukoencephalopathy.

Observation:

A case of an adolescent presenting with EPC is described.
The patient developed EPC following administration of levamisole.
Clinical, neuroimaging (MRI), and electroencephalographic findings were documented.

Findings:

The patient exhibited cortical and subcortical lesions on MRI.
These lesions were associated with the EPC.
This represents the first reported instance linking levamisole-induced EPC with specific MRI-detected cortical lesions.

Implications:

This finding expands the known neurological adverse effects of levamisole.
Highlights the importance of considering levamisole as a potential cause of EPC and associated brain lesions.
Suggests a need for careful monitoring of neurological function in patients treated with levamisole.