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Related Concept Videos

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

Treatment for Pulmonary Arterial Hypertension: Oxygen Therapy for Respiratory Failure

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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,...
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Acute Respiratory Failure-V01:29

Acute Respiratory Failure-V

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The treatment for acute respiratory failure varies based on factors like the underlying cause, overall health, and severity. A collaborative healthcare team is essential for early detection, often through arterial blood gas analysis. Identifying the cause is the primary goal, with treatment strategies adjusted for ventilation/perfusion (V/Q) mismatch, shunting, or diffusion impairment.
Ensure that patients are monitored continuously for their response to therapy, including changes in...
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Oxygen Delivering System II: Venturi Mask and Transtracheal Oxygen01:16

Oxygen Delivering System II: Venturi Mask and Transtracheal Oxygen

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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,...
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Acute Respiratory Failure-IV01:23

Acute Respiratory Failure-IV

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Respiratory failure can manifest suddenly or gradually, characterized by a rapid decline in PaO2 and a rapid rise in PaCO2. This situation indicates a severe respiratory problem that may quickly become a life-threatening emergency. One of the early signs of hypoxemic Acute Respiratory Failure (ARF) is a change in mental status due to the brain's sensitivity to oxygen levels and changes in acid-base balance. Symptoms such as restlessness, confusion, and agitation suggest inadequate oxygen...
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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:
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Acute Respiratory Failure-II01:21

Acute Respiratory Failure-II

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Type I Respiratory Failure, or hypoxemic respiratory failure, occurs when the partial pressure of oxygen (PaO2) in arterial blood falls below 60 mmHg while breathing room air without a corresponding increase in arterial carbon dioxide levels (PaCO2). This condition highlights a significant impairment in the lungs' capacity to oxygenate the blood.
The underlying physiological abnormalities that contribute to hypoxemic respiratory failure include:
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Related Experiment Video

Updated: Apr 21, 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

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[Oxygen therapy in acute medicine].

Michael Bleiker1, Maurice Roeder2,3

  • 1Klinik für Pneumologie, Universitätsspital Zürich, Zürich.

Praxis
|April 20, 2026
PubMed
Summary

Oxygen therapy is vital in acute care but needs careful monitoring to avoid risks like hypoxemia and hyperoxia. This review emphasizes conservative oxygen use and appropriate delivery systems for patient safety.

Keywords:
Oxygen therapyacute care medicinehyperoxia, oxygen saturationhypoxemia

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Area of Science:

  • Medical Care
  • Respiratory Medicine
  • Critical Care Medicine

Background:

  • Oxygen therapy is essential in acute medical settings.
  • Careful indication and monitoring are crucial for safe oxygen administration.
  • Understanding risks of hypoxemia and hyperoxia is important.

Purpose of the Study:

  • To review historical aspects and physiological principles of oxygen therapy.
  • To discuss risks associated with hypoxemia and hyperoxia.
  • To present current oxygen saturation targets and conservative administration strategies.

Main Methods:

  • Mini-review of historical, physiological, and risk data.
  • Presentation of current oxygen saturation target ranges.
  • Review of common oxygen delivery systems.

Main Results:

  • Oxygen therapy requires careful patient selection and monitoring.
  • Risks of hypoxemia and hyperoxia must be managed.
  • Conservative oxygen administration is emphasized.
  • Appropriate oxygen delivery systems are key in acute care.

Conclusions:

  • Conservative oxygen therapy, guided by current targets and patient-specific needs, is recommended.
  • Proper use of delivery systems enhances patient outcomes.
  • Minimizing risks of hypoxia and hyperoxia is paramount.