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Related Concept Videos

Seizures: Classification01:13

Seizures: Classification

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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:
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Thoracic, aortic arch and abdominal aneurysms are significant vascular conditions that can present with various clinical manifestations and lead to serious complications. Understanding these manifestations and the appropriate diagnostic studies is essential for effective management and treatment.Thoracic Aortic AneurysmsThoracic aortic aneurysms often remain asymptomatic until they reach a size that impinges on adjacent structures. They typically cause deep, diffuse chest pain that radiates to...
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Epilepsy and Seizures: Overview01:24

Epilepsy and Seizures: Overview

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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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Ischemic Heart Disease: Overview01:17

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Ischemic heart disease occurs when the heart's blood supply dwindles, causing an ominous lack of oxygen and nutrients. This deficiency, stemming from reduced or obstructed blood flow, spells danger, leading to heart muscle damage and dysfunction.
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The heart's primary function is to pump blood throughout the body, maintaining a balance between blood sent out (cardiac output) and blood returning (venous return). If this balance is disrupted, it can result in congestive heart failure (CHF), a severe condition where the heart becomes an inefficient pump, leading to inadequate blood circulation.
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Related Experiment Video

Updated: Oct 14, 2025

Author Spotlight: Enhancing Cerebral Ischemia Research with a Simplified Rat Model
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Ictal syncope or isolated syncope? A case report highlighting the overlap.

Yehia Fanous1, Miguel A Astrada1, Seyed Mirsattari1

  • 1London Health Sciences Centre, University of Western Ontario, 339 Windermere Road, Room C6-117A, London, Ontario N6A 5A5, Canada.

European Heart Journal. Case Reports
|November 10, 2021
PubMed
Summary

Ictal bradyarrhythmia, a rare epilepsy complication causing syncope, requires differentiation from cardiac syncope. Simultaneous EEG/ECG monitoring is crucial for accurate diagnosis and treatment in patients with seizure disorders.

Keywords:
Cardiac pacingCase reportElectrophysiologyIctal bradyarrhythmiaNeurology

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Area of Science:

  • Neurology
  • Cardiology
  • Epileptology

Background:

  • Ictal bradyarrhythmia, a rare complication of temporal lobe epilepsy, presents with bradycardia or asystole, potentially causing syncope.
  • Distinguishing ictal bradyarrhythmia from isolated syncope in patients with seizure disorders is critical due to differing treatment strategies.

Observation:

  • A 50-year-old female with a history of well-controlled temporal epilepsy experienced sudden drop attacks.
  • Initial treatment involved escalating anticonvulsant therapy, but workup revealed cardiac syncope.

Findings:

  • The patient underwent successful pacemaker insertion.
  • No recurrence of episodes was observed at 13-month follow-up, indicating effective cardiac intervention.

Implications:

  • Ictal syncope and isolated syncope share similar symptoms and may have a common terminal pathway.
  • Simultaneous electroencephalogram (EEG) and electrocardiogram (ECG) monitoring is vital for differentiating these conditions and guiding appropriate treatment in patients with epilepsy.