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Related Concept Videos

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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Acute Respiratory Failure-III01:30

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Hypercapnic respiratory failure, also known as Type 2 or ventilatory respiratory failure, is a severe condition characterized by the body's inability to effectively remove carbon dioxide (CO2) from the bloodstream. It leads to an arterial CO2 pressure (PaCO2) exceeding 45 mmHg and a blood pH above 7.35. This situation indicates that the body's ventilatory demand, or the ventilation needed to maintain normal PaCO2 levels, surpasses its supply or the maximum gas flow achievable without...
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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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Acute Respiratory Failure-I01:21

Acute Respiratory Failure-I

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Acute respiratory failure is a condition characterized by the inability of the lungs to perform their primary function: gas exchange. This failure leads to insufficient oxygen levels (hypoxemia) in the blood, elevated carbon dioxide levels (hypercapnia), or both, causing critical impairment in organ function.
Definition: It is defined by specific criteria based on blood gas measurements. Hypoxemia happens when the partial pressure of oxygen (PaO2) falls below 60 mmHg. At the same time,...
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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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Long-term Continuous EEG Monitoring in Small Rodent Models of Human Disease Using the Epoch Wireless Transmitter System
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Refractory status epilepticus.

Sanjay P Singh1, Shubhi Agarwal1, M Faulkner1

  • 1Department of Neurology, Creighton University School of Medicine, Omaha, Nebraska, USA.

Annals of Indian Academy of Neurology
|May 3, 2014
PubMed
Summary
This summary is machine-generated.

Refractory status epilepticus (RSE) is a critical emergency with unclear definitions. Treatment involves specific medications and continuous EEG monitoring, but outcomes remain poor, with significant mortality and neurological deficits.

Keywords:
Midazolampentobarbpropofolrefractory status epilepticusstatus epilepticus

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Area of Science:

  • Neurology
  • Emergency Medicine
  • Critical Care

Background:

  • Refractory status epilepticus (RSE) is a life-threatening neurological emergency.
  • Lack of consensus exists regarding the semantic definition of RSE, with varying treatment failure criteria.
  • Established treatment protocols for RSE are lacking, contributing to poor patient outcomes.

Purpose of the Study:

  • To define refractory status epilepticus (RSE).
  • To outline the challenges in RSE treatment.
  • To discuss RSE management strategies and patient outcomes.

Main Methods:

  • Review of current literature on refractory status epilepticus (RSE).
  • Analysis of treatment protocols and outcomes for RSE.
  • Discussion of pathophysiological mechanisms contributing to RSE treatment resistance.

Main Results:

  • RSE is characterized by persistent seizures despite benzodiazepine and one or two antiepileptic drugs (AEDs).
  • Up to 30% of status epilepticus (SE) patients are refractory to two AEDs, and 15% to three AEDs.
  • Key challenges include GABA-R internalization and multidrug transporter upregulation.
  • Continuous EEG monitoring is essential for all RSE patients.
  • Primary treatments include pentobarbital/thiopental, midazolam, and propofol.
  • RSE results in 35% mortality, with significant rates of severe (39.13%) and mild (13%) neurological deficits.

Conclusions:

  • Refractory status epilepticus (RSE) presents a significant clinical challenge with high morbidity and mortality.
  • Standardized definitions and treatment guidelines for RSE are urgently needed.
  • Further research into RSE mechanisms and novel therapeutic strategies is crucial.