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Related Concept Videos

Seizures l: Introduction01:20

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: Classification01:13

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:
Seizures ll: Types01:19

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...
Epilepsy and Seizures: Overview01:24

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: Types01:22

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.
Antiepileptic Drugs: Sodium Channel Blockers01:08

Antiepileptic Drugs: Sodium Channel Blockers

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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Multi-system Monitoring for Identification of Seizures, Arrhythmias and Apnea in Conscious Restrained Rabbits
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All that shakes is not epilepsy.

Y M Hart1

  • 1Department of Neurology, Royal Victoria Infirmary, Newcastle upon Tyne NE1 4LP, UK. yvonne.hart@nuth.nhs.uk

The Journal of the Royal College of Physicians of Edinburgh
|June 14, 2012
PubMed
Summary
This summary is machine-generated.

Many people wrongly assume shaking attacks always mean epilepsy. This abstract highlights that numerous conditions, not just epilepsy, can cause shaking, emphasizing the need for broad differential diagnosis.

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Area of Science:

  • Neurology
  • Clinical Medicine

Background:

  • The common perception links epilepsy solely to convulsive seizures.
  • This often leads to misdiagnosis when patients present with shaking episodes.

Purpose of the Study:

  • To broaden the understanding of intermittent shaking beyond epilepsy.
  • To outline the diverse differential diagnoses for shaking episodes.

Main Methods:

  • Clinical experience and differential diagnosis review.
  • Analysis of seizure types and non-epileptic causes of shaking.

Main Results:

  • Epilepsy is not the only cause of shaking; many seizure types lack shaking.
  • The differential diagnosis for shaking is extensive, including syncope, cardiac issues, psychogenic seizures, and more.

Conclusions:

  • Intermittent shaking has a wide differential diagnosis.
  • Accurate diagnosis requires considering conditions beyond epilepsy.