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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: 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 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.

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...

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Continuous Video Electroencephalogram during Hypoxia-Ischemia in Neonatal Mice

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Neonatal status epilepticus.

Russell Lawrence¹, Terrie Inder

¹Department of Pediatrics, Washington University, St Louis, MO, USA. Lawrence_R@kids.wustl.edu

Seminars in Pediatric Neurology

|August 24, 2010

Summary

Neonatal seizures are common due to immature brain development and pose risks. This review covers causes, treatments, and potential long-term neurodevelopmental harm from these seizures in newborns.

Area of Science:

Neonatal neurology
Developmental neuroscience
Epileptology

Background:

Neonatal seizures are the most common seizure type across the human lifespan.
Neonates possess a developmental predisposition to seizures due to heightened excitatory neuronal activity.
A lack of consensus definition for status epilepticus in neonates complicates diagnosis and treatment.

Purpose of the Study:

To review common etiologies of recurrent neonatal seizures.
To discuss current trends in monitoring and treating neonatal seizures.
To examine evidence on the neurodevelopmental impact of neonatal seizures.

Main Methods:

Literature review of animal and human studies.
Analysis of current clinical practices in neonatal seizure management.

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Synthesis of data on neurodevelopmental outcomes.

Main Results:

Neonatal seizures have diverse etiologies.
Monitoring and treatment strategies are evolving.
Evidence suggests neonatal seizures can negatively impact long-term neurodevelopment.

Conclusions:

Neonatal seizures are a significant concern requiring further research.
Standardized definitions and treatment protocols are needed.
Early detection and intervention are crucial to mitigate adverse neurodevelopmental outcomes.