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Related Concept Videos

Administering Oxygen by Mask01:30

Administering Oxygen by Mask

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:
Treatment for Pulmonary Arterial Hypertension: Oxygen Therapy for Respiratory Failure01:16

Treatment for Pulmonary Arterial Hypertension: Oxygen Therapy for Respiratory Failure

Oxygen therapy has emerged as a significant tool in enhancing the quality of life for patients suffering from pulmonary arterial hypertension (PAH). While this therapy has principally been studied on patients with significant hypoxemia, this therapeutic approach helps prevent potential organ damage and can be administered in the comfort of one's home.
Oxygen therapy is vital in increasing and maintaining blood oxygen levels in PAH patients. As a result, it aids in reducing fatigue, improving...
Respiratory Assessment: Purpose and Indications01:19

Respiratory Assessment: Purpose and Indications

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...
Oxygen Delivering System II: Venturi Mask and Transtracheal Oxygen01:16

Oxygen Delivering System II: Venturi Mask and Transtracheal Oxygen

Oxygen therapy is a pivotal aspect of medical care, particularly for patients with respiratory ailments. Two prominent oxygen-delivering systems include the Venturi mask and the transtracheal oxygen catheter.
Venturi Mask
The Venturi mask, named after the Venturi effect, is designed to deliver precise oxygen concentrations. It consists of a large tube with an oxygen inlet that narrows down, causing a pressure drop that pulls air in through adjustable side ports. The mask is a lightweight,...
Special considerations while measuring oxygen saturation01:19

Special considerations while measuring oxygen saturation

Assessing respiratory rate concurrently with pulse measurement is fundamental to patient care, providing valuable insights into the patient's respiratory function. The normal breathing rate for an adult usually falls within a normal range of 12 to 20 breaths per minute. Abnormal respiratory rates can signal underlying health conditions or the need for immediate intervention.
Ensuring accuracy in vital sign recordings while prioritizing patient comfort and minimizing anxiety is important. 
Oxygen Delivering System I: Nasal Cannula and Face Mask01:26

Oxygen Delivering System I: Nasal Cannula and Face Mask

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:...

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Related Experiment Video

Updated: Jun 23, 2026

Preoxygenation Techniques for Tracheal Intubation in Critically Ill Adults Utilizing Oxygen Mask and Noninvasive Ventilation
07:15

Preoxygenation Techniques for Tracheal Intubation in Critically Ill Adults Utilizing Oxygen Mask and Noninvasive Ventilation

Published on: December 5, 2025

Optimizing preoxygenation in adults.

Issam Tanoubi1, Pierre Drolet, François Donati

  • 1Département d'anesthésiologie, Hôpital Maisonneuve-Rosemont and Université de Montréal, 5415, boul l'Assomption, Montréal, QC, H1T 2M4, Canada.

Canadian Journal of Anaesthesia = Journal Canadien D'Anesthesie
|April 29, 2009
PubMed
Summary

Effective preoxygenation, increasing oxygen reserves and duration of apnea without desaturation (DAWD), is crucial. Tidal volume breathing (TVB) for 3 minutes or eight deep breaths in 60 seconds are recommended, while four deep breaths in 30 seconds is inadequate.

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Preoxygenation Techniques for Tracheal Intubation in Critically Ill Adults Utilizing Oxygen Mask and Noninvasive Ventilation
07:15

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Published on: December 5, 2025

Oxygenation-sensitive Cardiac MRI with Vasoactive Breathing Maneuvers for the Non-invasive Assessment of Coronary Microvascular Dysfunction
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Area of Science:

  • Anesthesiology
  • Respiratory Medicine
  • Critical Care

Background:

  • Preoxygenation is vital for increasing oxygen reserves and duration of apnea without desaturation (DAWD).
  • This extends the time available for airway management.
  • Effectiveness varies across different patient populations.

Purpose of the Study:

  • To review various preoxygenation techniques.
  • To assess their efficacy in healthy, obese, pregnant, and elderly adults.
  • To provide guidance for Continuing Professional Development (CPD).

Main Methods:

  • Evaluation of preoxygenation techniques by measuring DAWD.
  • Assessing adequacy by end-tidal oxygen fraction >90%.
  • Comparison of tidal volume breathing (TVB) for 3 minutes, 4 deep breaths in 30 seconds (4 DB 30 sec), and 8 deep breaths in 60 seconds (8 DB 60 sec).

Main Results:

  • TVB 3 min and 8 DB 60 sec achieve adequate preoxygenation.
  • 4 DB 30 sec yields poorer results.
  • DAWD is reduced in obese, pregnant, and elderly patients; specific techniques (head-up, positive pressure, TVB) may be beneficial.
  • Leaks are a common cause of preoxygenation failure.

Conclusions:

  • All patients should undergo preoxygenation due to unpredictable airway difficulties.
  • TVB 3 min and 8 DB 60 sec are suitable for most patients.
  • 4 DB 30 sec is insufficient for adequate preoxygenation.