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Related Concept Videos

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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Seizures l: Introduction01:20

Seizures l: Introduction

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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,...
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Epilepsy ll: Types01:22

Epilepsy ll: Types

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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.
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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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Cardiopulmonary Resuscitation IV: Pharmacological Management01:25

Cardiopulmonary Resuscitation IV: Pharmacological Management

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Pharmacologic intervention is crucial in treating cardiac arrest patients during ACLS or Advanced Cardiovascular Life Support. The ACLS algorithms guide the administration of specific drugs based on the patient's cardiac arrest rhythm, which includes pulseless ventricular tachycardia (VT), ventricular fibrillation (VF), asystole, and pulseless electrical activity (PEA).EpinephrineIndication: Epinephrine is the first-line drug for all cardiac arrest rhythms.Mechanism of Action: Epinephrine...
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Electroconvulsive Therapy01:30

Electroconvulsive Therapy

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Electroconvulsive therapy (ECT), or shock therapy, remains a critical biomedical intervention for severe, treatment-resistant depression. While its origins can be traced back to Hippocrates' observations that malaria-induced convulsions alleviated mental illness, modern ECT has evolved significantly from its earlier, more primitive applications. First introduced in 1938 by Ugo Cerletti and his colleagues, ECT involves inducing controlled seizures using electrical currents. In its early...
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Related Experiment Video

Updated: Apr 30, 2026

Long-term Continuous EEG Monitoring in Small Rodent Models of Human Disease Using the Epoch Wireless Transmitter System
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Long-term Continuous EEG Monitoring in Small Rodent Models of Human Disease Using the Epoch Wireless Transmitter System

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Refractory and super-refractory status epilepticus--an update.

Sara Hocker1, William O Tatum, Suzette LaRoche

  • 1Department of Neurology, Mayo Clinic, 200 1st St SW, Rochester, MN, 55902, USA, hocker.sara@mayo.edu.

Current Neurology and Neuroscience Reports
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Status epilepticus is a medical emergency. Refractory and super-refractory status epilepticus require prompt management to improve patient outcomes.

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Methods for ECG Evaluation of Indicators of Cardiac Risk, and Susceptibility to Aconitine-induced Arrhythmias in Rats Following Status Epilepticus
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Stereo-Electro-Encephalo-Graphy SEEG With Robotic Assistance in the Presurgical Evaluation of Medical Refractory Epilepsy: A Technical Note
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Methods for ECG Evaluation of Indicators of Cardiac Risk, and Susceptibility to Aconitine-induced Arrhythmias in Rats Following Status Epilepticus
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Stereo-Electro-Encephalo-Graphy SEEG With Robotic Assistance in the Presurgical Evaluation of Medical Refractory Epilepsy: A Technical Note
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Stereo-Electro-Encephalo-Graphy SEEG With Robotic Assistance in the Presurgical Evaluation of Medical Refractory Epilepsy: A Technical Note

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Area of Science:

  • Neurology
  • Emergency Medicine

Background:

  • Status epilepticus (SE) is a critical neurological emergency with significant mortality.
  • Early intervention in SE improves treatment response and patient outcomes.
  • Refractory SE (RSE) is defined as persistent seizures despite initial treatment with two antiepileptic drugs (AEDs).

Observation:

  • Super-refractory SE (SRSE) is a severe form of RSE that persists or recurs 24 hours or more after anesthetic initiation.
  • SRSE can manifest as recurrent seizures even after successful seizure control with anesthesia, particularly during anesthetic weaning.
  • This review focuses on the management strategies and underlying pathophysiological causes of RSE and SRSE.

Findings:

  • This article provides a comprehensive review of RSE and SRSE management.
  • It details diagnostic approaches and therapeutic interventions for these complex conditions.
  • Common pathophysiological mechanisms contributing to RSE and SRSE are discussed.

Implications:

  • Understanding RSE and SRSE is crucial for optimizing patient care and reducing mortality.
  • Effective management strategies for RSE and SRSE can lead to better seizure control and improved neurological outcomes.
  • Further research into the pathophysiology of RSE and SRSE may reveal novel therapeutic targets.