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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:
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.
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...
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...

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Related Experiment Video

Updated: May 20, 2026

Electromagnetic Source Imaging in Presurgical Evaluation of Children with Drug-Resistant Epilepsy
09:57

Electromagnetic Source Imaging in Presurgical Evaluation of Children with Drug-Resistant Epilepsy

Published on: September 20, 2024

Pseudoseizures in a preadolescent: does this case have a bite?

Imran Khan1, Jonathan Glauser, Amyna Sabir

  • 1MetroHealth Campus of Case Western Reserve, Cleveland, OH 44109, USA. imkhan1981@gmail.com

Pediatric Emergency Care
|July 7, 2012
PubMed
Summary

A young girl experienced acquired complete heart block, likely from viral myocarditis. Prompt treatment with a temporary pacemaker led to a full recovery of her heart

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Behavioral Characterization of Pentylenetetrazole-induced Seizures: Moving Beyond the Racine Scale
07:35

Behavioral Characterization of Pentylenetetrazole-induced Seizures: Moving Beyond the Racine Scale

Published on: July 8, 2025

Related Experiment Videos

Last Updated: May 20, 2026

Electromagnetic Source Imaging in Presurgical Evaluation of Children with Drug-Resistant Epilepsy
09:57

Electromagnetic Source Imaging in Presurgical Evaluation of Children with Drug-Resistant Epilepsy

Published on: September 20, 2024

Behavioral Characterization of Pentylenetetrazole-induced Seizures: Moving Beyond the Racine Scale
07:35

Behavioral Characterization of Pentylenetetrazole-induced Seizures: Moving Beyond the Racine Scale

Published on: July 8, 2025

Area of Science:

  • Pediatric Cardiology
  • Infectious Diseases
  • Immunology

Background:

  • Acquired complete heart block in children is rare.
  • Viral myocarditis can lead to significant cardiac dysfunction.
  • Early diagnosis and intervention are crucial for pediatric cardiac emergencies.

Observation:

  • A preadolescent female presented with symptoms indicative of complete heart block.
  • The condition was suspected to be secondary to viral myocarditis.
  • Diagnostic workup included endomyocardial biopsy and immunohistological analysis.

Findings:

  • Endomyocardial biopsy confirmed viral myocarditis as the etiology.
  • Immunohistological findings supported the diagnosis.
  • The patient received a temporary pacemaker for cardiac pacing.

Implications:

  • This case highlights the potential for viral myocarditis to cause acquired complete heart block in children.
  • Successful management with temporary pacing underscores its therapeutic value.
  • Full recovery of cardiac conduction suggests a favorable prognosis with timely intervention.