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Related Concept Videos

Inhalational Anesthetics: Overview01:20

Inhalational Anesthetics: Overview

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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...
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General Anesthesia: Overview01:24

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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...
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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...
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Sputum Studies II: Culture and Sensitivity01:20

Sputum Studies II: Culture and Sensitivity

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Description
Sputum culture and sensitivity is a medical procedure used to diagnose bacterial infections in the respiratory tract and select the most appropriate antibiotics for treatment. This process involves analyzing sputum samples of thick and opaque secretions produced in the lungs and airways. These samples are collected from patients and then sent to the laboratory for analysis.
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Related Experiment Video

Updated: Sep 4, 2025

Topical Airway Anesthesia for Awake-endoscopic Intubation Using the Spray-as-you-go Technique with High Oxygen Flow
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Anaesthetists' current practice and perceptions of aerosol-generating procedures: a mixed-methods study.

A J Shrimpton1, C E D Osborne1, J M Brown2

  • 1Anaesthesia, Pain and Critical Care Sciences, School of Physiology, Pharmacology and Neuroscience, University of Bristol, UK.

Anaesthesia
|July 21, 2022
PubMed
Summary

Anaesthetists

Keywords:
aerosol generating proceduresanaesthetists' perceptionnational infection control and prevention guidelinesrespiratory protective equipment

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Area of Science:

  • Anesthesiology and critical care medicine
  • Infection prevention and control
  • Respiratory medicine

Background:

  • Evidence on aerosol-generating procedures (AGPs) transmission risk is evolving.
  • Infection prevention and control guidelines require continuous reassessment.
  • Anaesthetists' perceptions of AGPs and associated risks are crucial for guideline adherence.

Purpose of the Study:

  • To explore anaesthetists' perceptions of aerosol-generating procedures (AGPs).
  • To understand individual and hospital-level adherence to UK AGP guidelines.
  • To assess the impact of AGP precautions on healthcare provision and team dynamics.

Main Methods:

  • A mixed-methods study combining online surveys and semi-structured interviews.
  • Online survey distributed to UK anaesthetists (n=333) with clinical scenarios.
  • Thematic analysis of 18 interviews to explore perceptions and behaviours in depth.

Main Results:

  • Most anaesthetists and hospitals adhered to UK guidance, but divergences were noted.
  • Significant use of respiratory protective equipment (RPE) occurred even for non-SARS-CoV-2 negative patients during tracheal intubation (20%).
  • RPE use and fallow times negatively impacted efficiency (92%), teamwork (83%), and communication (77%), yet 63% felt the balance with SARS-CoV-2 risk was appropriate.

Conclusions:

  • Anaesthetists' attitudes towards AGPs and RPE are evolving, influenced by perceived COVID-19 risk.
  • Divergence from guidelines highlights the need for clear communication and support.
  • Findings can inform strategies for successful adoption of revised AGP guidelines and RPE use.