Related Experiment Video

Updated: May 25, 2026

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

Clinical spectrum of infantile spasm at presentation

Muhammad Akbar Malik1, Muhammad Arif Tarrar, Ahmad Osaid Qureshi

  • 1Department of Neurophysiology, Children's Hospital, Lahore. docmalikpk2000@yahoo.co.in

Journal of the College of Physicians and Surgeons--Pakistan : JCPSP
|January 13, 2012
PubMed

Insights

Infantile spasms in children often present with hypsarrhythmic EEG patterns. Early referral to specialized centers is crucial for accurate diagnosis and appropriate treatment of infantile spasms.

Area of Science:

  • Pediatric Neurology
  • Clinical Neurophysiology

Background:

  • Infantile spasms are a severe epilepsy syndrome in infants.
  • Early diagnosis and treatment are critical for optimal outcomes.

Purpose of the Study:

  • To characterize the clinical and electroencephalogram (EEG) findings in children with infantile spasms at initial presentation.
  • To identify key diagnostic features in a Pakistani pediatric population.

Main Methods:

  • An observational study was conducted at the Neurophysiology Department, Children's Hospital, Lahore, Pakistan.
  • Data from 410 children diagnosed with infantile spasms between January 2008 and December 2010 were analyzed.
  • Clinical manifestations, EEG results, and current anti-epileptic drug treatments were assessed.

Main Results:

  • Infantile spasms were diagnosed in 20% (410/2050) of referred children, with a mean age of presentation of 4.6 months.
  • The majority (82%) presented with hypsarrhythmic or modified hypsarrhythmic EEG patterns.
  • Symptomatic etiology was noted in 58% of cases, and common presentations included autonomic disturbances and psychomotor delay.

Conclusions:

  • Infantile spasms are frequently associated with hypsarrhythmic EEG abnormalities.
  • Timely referral to specialized centers is recommended to ensure proper diagnosis and management of infantile spasms.
Abstract

More Related Videos

Electromagnetic Source Imaging in Presurgical Evaluation of Children with Drug-Resistant Epilepsy09:57

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

Published on: September 20, 2024

Related Concept Videos

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:
Spasmolytic Agents: Chemical Classification01:29

Spasmolytic Agents: Chemical Classification

Spasmolytic agents are drugs used to alleviate muscle spasms and spasticity. They can be categorized into different chemical groups based on their mechanisms of action. Centrally acting spasmolytics primarily affect the spinal cord, while others directly target skeletal muscle cells.
A major class of centrally acting spasmolytics is the α2-agonist, such as tizanidine. These drugs bind to α2-adrenoceptors, inhibiting the release of the excitatory neurotransmitter glutamate. They also promote...
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.
Alterations in Muscle Tone ll01:12

Alterations in Muscle Tone ll

Alterations in muscle tone are common manifestations of neurological disorders and reflect dysfunction within different nervous system regions. Spasticity, paratonia, and dystonia represent distinct forms of hypertonia, each with unique mechanisms, clinical features, and diagnostic importance.CharacteristicsSpasticity happens from upper motor neuron lesions and is characterized by velocity-dependent resistance to passive movement. Clinical features include:Exaggerated deep tendon reflexesClonus...
Alterations in Muscle Tone lll01:11

Alterations in Muscle Tone lll

Rigidity and myotonia are distinct abnormalities of muscle tone that affect resistance and relaxation during movement. Although both involve altered muscle contraction, they arise from different neurological and muscular mechanisms.CharacteristicsRigidity is characterized by uniform resistance to passive movement across the entire range, independent of speed, affecting flexors and extensors equally. It may appear as lead-pipe rigidity (smooth, constant resistance) or cogwheel rigidity...
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,...