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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 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...
Increased Body Temperature01:25

Increased Body Temperature

A body temperature above  38°C  (100.4 °F) is known as fever or pyrexia, and a person with fever is termed 'febrile.' Typically, the hypothalamus, a part of the brain that acts as the body's thermostat, regulates body temperature through a thermoregulatory setpoint. It receives signals from cold and warm thermal receptors throughout the body and adjusts the body's temperature accordingly. Fever occurs when this hypothalamic setpoint is altered, usually in response to an infection or illness.
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:
Types of Fever01:25

Types of Fever

Fever can be triggered by several factors, including infections, nervous system disorders, certain cancers, blood diseases like leukemia, embolism, thrombosis, heatstroke, dehydration, surgical trauma, crushing injuries, and allergic reactions.
Here are the different types of fever:
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...

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Related Experiment Video

Updated: Jun 23, 2026

A Behavioral Screen for Heat-Induced Seizures in Mouse Models of Epilepsy
06:58

A Behavioral Screen for Heat-Induced Seizures in Mouse Models of Epilepsy

Published on: July 12, 2021

Febrile seizures.

John R Østergaard1

  • 1Department of Pediatrics A, Aarhus University Hospital, Skejby, Denmark. johnoest@rm.dk

Acta Paediatrica (Oslo, Norway : 1992)
|April 25, 2009
PubMed
Summary
This summary is machine-generated.

Febrile seizures are common in young children but usually benign. Understanding their natural course helps reassure parents about the excellent outcomes and low risks associated with simple febrile seizures.

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A Behavioral Screen for Heat-Induced Seizures in Mouse Models of Epilepsy
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Area of Science:

  • Pediatrics
  • Neurology
  • Child Health

Background:

  • Febrile seizures (FS) affect 2-5% of children aged 3-60 months, representing the most common seizure disorder in childhood.
  • Distinguishing FS from central nervous system infections is crucial for appropriate management.
  • Complex febrile seizures, characterized by focal onset, prolonged duration, or recurrence within a single febrile illness, are associated with an increased risk of developing epilepsy.

Purpose of the Study:

  • To differentiate febrile seizures from acute symptomatic seizures secondary to central nervous system infection.
  • To inform parents and caregivers about the natural history and prognosis of febrile seizures.
  • To provide appropriate counseling and reassurance to families experiencing febrile seizures.

Main Methods:

  • This study reviews the characteristics and outcomes of febrile seizures.
  • It emphasizes the importance of differentiating simple from complex febrile seizures.
  • The review focuses on the long-term prognosis, including risks of epilepsy and cognitive decline.

Main Results:

  • The vast majority of febrile seizures are simple, brief, and do not require drug intervention.
  • Simple febrile seizures have an excellent prognosis with no increased risk of IQ decline, subsequent epilepsy, or mortality.
  • Complex febrile seizures carry an increased risk for developing epilepsy.

Conclusions:

  • Febrile seizures can recur, causing significant anxiety for parents and caregivers.
  • A thorough understanding of the natural history and prognosis of febrile seizures is essential for physicians to provide effective counseling and reassurance.
  • Physicians can alleviate parental concerns by explaining the generally benign nature and excellent outcomes of simple febrile seizures.