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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...
162
Administering Oxygen by Nasal Cannula01:29

Administering Oxygen by Nasal Cannula

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Oxygen therapy is critical to patient care, especially for those struggling with respiratory issues. This intervention increases the oxygen concentration in the lungs, enhancing the amount of oxygen transported to the body's tissues. One standard method of delivering supplemental oxygen is through a nasal cannula, a non-invasive device that provides low to medium oxygen concentrations.
Nasal Cannulas
A nasal cannula is a lightweight tube split into two prongs placed in the nostrils,...
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Administering Oxygen by Mask01:30

Administering Oxygen by Mask

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Administering Oxygen by Mask
Administering oxygen by mask is a common nursing intervention that provides supplemental oxygen to patients with respiratory distress or chronic lung conditions. This procedure involves delivering oxygen at a specified rate through a face mask connected to an oxygen source.
Equipment
The equipment necessary for this procedure includes:
200
Oxygen Delivering System I: Nasal Cannula and Face Mask01:26

Oxygen Delivering System I: Nasal Cannula and Face Mask

209
The human body requires oxygen to function, and when the natural process of respiration is hindered, external devices, including the following, are needed to help deliver this vital gas.
Nasal Cannula
A nasal cannula is a lightweight tube split at one end into two prongs and placed in the nostrils. It is typically used to deliver low to medium levels of oxygen.
Suggested flow rate: The suggested flow rate for a nasal cannula typically ranges between 1 and 6 L/min.
Oxygen percentage setting:...
209
2° Amines to N-Nitrosamines: Reaction with NaNO201:20

2° Amines to N-Nitrosamines: Reaction with NaNO2

4.0K
Secondary amines react with nitrous acid to form N-nitrosamines, as depicted in Figure 1. Nitrous acid, a weak and unstable acid, is formed in situ from an aqueous solution of sodium nitrite and strong acids, such as hydrochloric acid or sulfuric acid, in cold conditions. In the presence of an acid, the nitrous acid gets protonated. The subsequent loss of water results in the formation of the electrophile known as nitrosonium ion.
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Respiratory Assessment: Purpose and Indications01:19

Respiratory Assessment: Purpose and Indications

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Respiratory assessment is a cornerstone of nursing assessments, crucial for the early detection of patient deterioration. This evaluation transcends routine procedures, representing a critical skill nurses must master to ensure optimal patient care.
Objectives and Importance:
The primary goal of respiratory assessment is to evaluate patients at early risk of clinical deterioration. Since respiratory distress often precedes other signs of declining health, breathing patterns and sounds become a...
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Recording Brain Electromagnetic Activity During the Administration of the Gaseous Anesthetic Agents Xenon and Nitrous Oxide in Healthy Volunteers
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"Cracking" the Code on Nitrous Oxide Safety in the Dental Setting.

Mark Donaldson1, Jason H Goodchild2

  • 1Associate Principal, Kaufman Hall, a Vizient company, Irving, Texas; Clinical Professor, School of Pharmacy, University of Montana, Missoula, Montana; Clinical Assistant Professor, School of Dentistry, Oregon Health and Sciences University, Portland, Oregon; Adjunct Professor, Faculty of Dentistry, University of British Columbia, Vancouver, British Columbia; Fellow, American Society of Health-System Pharmacists; Fellow, American College of Healthcare Executives®.

Compendium of Continuing Education in Dentistry (Jamesburg, N.J. : 1995)
|February 26, 2025
PubMed
Summary

Nitrous oxide-oxygen sedation is safe for dental patients, but staff exposure and environmental concerns exist. New catalytic cracking technology effectively converts exhaled nitrous oxide, enhancing safety and sustainability in dental anesthesia.

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Topical Airway Anesthesia for Awake-endoscopic Intubation Using the Spray-as-you-go Technique with High Oxygen Flow
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Area of Science:

  • Anesthesiology
  • Environmental Science
  • Occupational Health

Background:

  • Nitrous oxide-oxygen sedation is a common dental technique for managing patient anxiety.
  • Concerns exist regarding occupational exposure of dental staff to nitrous oxide.
  • The high global warming potential of nitrous oxide also raises environmental concerns.

Purpose of the Study:

  • To evaluate the effectiveness of catalytic cracking technology in mitigating occupational and environmental risks associated with nitrous oxide.
  • To explore sustainable practices in dental anesthesia management.

Main Methods:

  • Discussion of recent advancements in catalytic cracking technology for nitrous oxide conversion.
  • Review of potential clinical applications and effectiveness in reducing ambient nitrous oxide levels.

Main Results:

  • Catalytic cracking technology shows promise in converting exhaled nitrous oxide into nitrogen and oxygen.
  • This technology has the potential to significantly reduce ambient nitrous oxide concentrations in dental settings.

Conclusions:

  • Implementing catalytic cracking technology can enhance safety protocols for dental staff by reducing exposure.
  • This innovation offers a sustainable solution to environmental concerns posed by nitrous oxide emissions in dentistry.