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Related Concept Videos

General Anesthesia: Overview01:24

General Anesthesia: Overview

366
Anesthesia is a medical procedure that uses drugs for CNS suppression to enable painless surgeries and procedures. The selection of anesthetics is influenced by their pharmacokinetic properties, side effects, and patient characteristics. Various types of anesthesia include general, local, regional, spinal, and inhalational.
General anesthesia induces unconsciousness in the whole body, while the others target specific areas or sensations. It is administered to minimize adverse effects, maintain...
366
Local Anesthetics: Clinical Application as Spinal Anesthesia01:11

Local Anesthetics: Clinical Application as Spinal Anesthesia

966
Spinal anesthetics are given during lower abdomen and limb surgeries to block sensory and motor neurons. They are administered in the mid to low lumbar regions, primarily acting on the cauda equina's nerve roots. The blockade level depends on the local anesthetic (LA) concentration. Usually, low LA concentrations are sufficient to block sensory fibers, while only high LA concentrations block motor fibers. Other factors like injection volume and speed, the patient's posture, and the drug...
966
Stages of General Anesthesia01:22

Stages of General Anesthesia

1.0K
Various sedation levels offer significant advantages in facilitating procedural interventions for patients undergoing medical or invasive surgical procedures. These levels span from anxiolysis to general anesthesia, providing a spectrum of sedative effects to cater to specific patient needs. Anxiolysis reduces anxiety and is achieved through minimal sedation, enabling patients to remain awake and responsive while feeling more at ease during the procedure. This level can benefit minor...
1.0K
Parenteral Anesthetics: Overview01:24

Parenteral Anesthetics: Overview

384
Intravenous anesthetics are drugs administered parenterally to induce anesthesia or sedation. Propofol is a widely used agent formulated as a 1% emulsion in soybean oil, glycerol, and egg phosphatide. It induces rapid anesthesia primarily due to its rapid distribution from the bloodstream to target tissues and is metabolized in the liver. However, it can cause significant pain on injection and hypertriglyceridemia. Fospropofol, a water-based prodrug of propofol, lacks these adverse effects.
384
Inhalational Anesthetics: Overview01:20

Inhalational Anesthetics: Overview

657
Inhalation anesthetics are drugs that induce general anesthesia upon inhalation. They work by increasing the sensitivity of GABAA receptors or inhibiting NMDA receptors, leading to a decrease in central nervous system activity. The depth of anesthesia can be rapidly adjusted by changing the concentration of the inhaled gas. Some common examples of inhalational anesthetics include volatile liquids like isoflurane, desflurane, sevoflurane and gases like xenon and nitrous oxide. Isoflurane, a...
657
Local Anesthetics: Adverse Effects01:12

Local Anesthetics: Adverse Effects

573
While local anesthetics are generally safe and well-tolerated, they can occasionally cause adverse effects that vary in severity. Local anesthetics can induce toxicity at two distinct levels. They can either produce local effects through direct contact with the neural elements or be absorbed into the bloodstream from the injection site, leading to systemic effects.
Once absorbed into the systemic circulation, local anesthetics can affect the organs that depend on the functioning of sodium...
573

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Updated: Nov 8, 2025

Recording Brain Electromagnetic Activity During the Administration of the Gaseous Anesthetic Agents Xenon and Nitrous Oxide in Healthy Volunteers
14:52

Recording Brain Electromagnetic Activity During the Administration of the Gaseous Anesthetic Agents Xenon and Nitrous Oxide in Healthy Volunteers

Published on: January 13, 2018

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Anesthesia Considerations in Neurological Emergencies.

Anil Ramineni1, Erik A Roberts2, Molly Vora2

  • 1Department of Neurology, Lahey Hospital and Medical Center, 41 Mall Road, Burlington, MA 01805, USA.

Neurologic Clinics
|April 26, 2021
PubMed
Summary
This summary is machine-generated.

Managing airways in neurological emergencies requires specific anesthesia considerations. This summary covers airway management for conditions like stroke and spinal cord injury, focusing on patient safety and optimal outcomes.

Keywords:
Airway managementAnesthetic pharmacologyEndotracheal intubationNeurologic emergenciesSedationVentilation

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Area of Science:

  • Neurology
  • Anesthesiology
  • Critical Care Medicine

Background:

  • Airway obstruction and respiratory failure are frequent complications in patients experiencing neurological emergencies.
  • Anesthesia plays a crucial role in airway management, surgical procedures, and intensive care for patients with altered mental status or requiring sedation.

Purpose of the Study:

  • To summarize unique airway management and anesthesia considerations for neurological emergencies.
  • To discuss specific challenges in conditions including elevated intracranial pressure, neuromuscular respiratory failure, acute ischemic stroke, and acute cervical spinal cord injury.

Main Methods:

  • Literature review and synthesis of current evidence and expert opinion on airway management in neurological emergencies.
  • Discussion of anesthetic techniques and pharmacological agents relevant to neurocritical care.

Main Results:

  • Neurological emergencies present distinct challenges for airway management, necessitating tailored anesthetic approaches.
  • Specific conditions like elevated intracranial pressure and stroke require careful consideration of hemodynamic stability and neurological protection during anesthesia.

Conclusions:

  • Optimal airway and anesthesia management are critical for improving outcomes in patients with neurological emergencies.
  • Further research and consensus guidelines are needed to address controversies and refine best practices in this specialized field.