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Related Concept Videos

General Anesthesia: Overview01:24

General Anesthesia: Overview

1.1K
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...
1.1K
Local Anesthetics: Clinical Application as Spinal Anesthesia01:11

Local Anesthetics: Clinical Application as Spinal Anesthesia

2.0K
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...
2.0K
Stages of General Anesthesia01:22

Stages of General Anesthesia

2.6K
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...
2.6K
Parenteral Anesthetics: Overview01:24

Parenteral Anesthetics: Overview

1.0K
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.
1.0K
Local Anesthetics: Adverse Effects01:12

Local Anesthetics: Adverse Effects

1.0K
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...
1.0K
Local Anesthetics: Clinical Application as Epidural Anesthesia01:29

Local Anesthetics: Clinical Application as Epidural Anesthesia

1.0K
Epidural anesthetics are administered in the fat-filled epidural space, the outermost part of the spinal canal. This technique is commonly employed for pain management and anesthesia during lower abdomen and pelvis surgeries or labor and delivery.
Since epidural anesthetics can be infused through an epidural catheter, all types of drugs, including short-acting ones, can be administered. Chloroprocaine and lidocaine are examples of short and long-duration anesthetics, respectively. Bupivacaine...
1.0K

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Motor-Evoked Potentials Are an Important Determinant of Spinal Cord Ischemic Injury During Aortic Arch Surgery. But Can They Be Used Exclusively?

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Enhanced Recovery After Surgery for Cardiac Surgery: Will We Have the Techniques Needed to Reduce Opioid Use and Still Provide Appropriate Analgesia?

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Related Experiment Video

Updated: May 4, 2026

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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Neuroanesthesia.

W Scott Jellish1, Steven Edelstein1

  • 1Department of Anesthesiology, Loyola University Medical Center, Maywood, IL, USA.

Handbook of Clinical Neurology
|December 25, 2013
PubMed
Summary
This summary is machine-generated.

Neuroanesthesia manages complex anesthetic and critical care issues for neurosurgery patients. Successful outcomes depend on multidisciplinary care and communication in high-intensity neurosurgical environments.

Keywords:
Anesthesiainhalational agentsneuroanesthesianeurophysiologic monitoringneuroprotectionpositioning injury

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Assessing Changes in Volatile General Anesthetic Sensitivity of Mice after Local or Systemic Pharmacological Intervention
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Assessing Changes in Volatile General Anesthetic Sensitivity of Mice after Local or Systemic Pharmacological Intervention

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Optogenetic Activation of Afferent Pathways in Brain Slices and Modulation of Responses by Volatile Anesthetics
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Optogenetic Activation of Afferent Pathways in Brain Slices and Modulation of Responses by Volatile Anesthetics

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Related Experiment Videos

Last Updated: May 4, 2026

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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Assessing Changes in Volatile General Anesthetic Sensitivity of Mice after Local or Systemic Pharmacological Intervention
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Assessing Changes in Volatile General Anesthetic Sensitivity of Mice after Local or Systemic Pharmacological Intervention

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Optogenetic Activation of Afferent Pathways in Brain Slices and Modulation of Responses by Volatile Anesthetics
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Optogenetic Activation of Afferent Pathways in Brain Slices and Modulation of Responses by Volatile Anesthetics

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Area of Science:

  • Anesthesiology
  • Neurosurgery
  • Critical Care Medicine

Background:

  • Neuroanesthesia is a specialized field focusing on anesthetic management for neurosurgical patients.
  • It involves understanding the intricate interactions between anesthetic agents, surgical procedures, and patient care.

Observation:

  • Key aspects include hemodynamic and neurologic effects of anesthetics.
  • Neurophysiologic monitoring is crucial for patient safety.
  • Unique medical complications specific to neurosurgery must be addressed.

Findings:

  • Effective management requires a deep understanding of anesthetic agents' impact on the nervous system.
  • Continuous neurophysiologic monitoring provides real-time patient status.
  • Anticipating and managing unique neurosurgical complications is vital.

Implications:

  • Multidisciplinary collaboration between anesthesiologists and surgeons is essential.
  • Clear communication is critical in high-intensity neurosurgical settings.
  • This overview introduces key considerations for managing neurosurgical patients.