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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

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...
Hypoxia01:23

Hypoxia

Hypoxia is a medical condition characterized by an inadequate oxygen supply to body tissues. It typically manifests as a bluish discoloration of the skin and mucosae, especially in fair-skinned individuals, when hemoglobin (Hb) saturation drops below 75%.
Types of Hypoxia
There are four primary types of hypoxia, each resulting from a different cause:
1. Anemic hypoxia: This type occurs due to insufficient oxygen delivery caused by a lack of red blood cells (RBCs) or RBCs with abnormal or...
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,...
Pulmonary Embolism II: Diagnostic Studies and Interprofessional Care01:29

Pulmonary Embolism II: Diagnostic Studies and Interprofessional Care

Diagnosing Pulmonary EmbolismDiagnosing pulmonary embolism (PE) involves clinical assessment and advanced imaging tests. The preferred diagnostic tool is the spiral (helical) CT scan or CT angiography (CTA), which uses intravenous contrast media to visualize the pulmonary vasculature and identify emboli.A ventilation-perfusion (V/Q) scan is an alternative for patients unable to receive contrast media. This scan includes both perfusion and ventilation scanning. Perfusion scanning involves...
Pneumothorax-II01:27

Pneumothorax-II

Pneumothorax is a medical condition defined by the buildup of air in the pleural space between the lungs and the chest wall. This accumulation of air can lead to partial or complete lung collapse, resulting in a range of clinical manifestations. Understanding the clinical presentation and effective management strategies is crucial for healthcare professionals in providing timely and appropriate care to individuals with pneumothorax.
Clinical Manifestations:

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Related Experiment Video

Updated: Jun 20, 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

[Elective indication for hyperbaric oxygen therapy].

Yvan Green1, Jean-Yves Berney

  • 1Service des urgences, Département de médecine, communautaire et de premier recours, HUG, 1211 Genève 14.

Revue Medicale Suisse
|September 17, 2009
PubMed
Summary

Hyperbaric oxygen therapy, while having known physiological effects, requires more clinical trials for elective uses. This review covers common indications like diabetic foot ulcers and infections, emphasizing its complementary role and need for multiple sessions.

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Retinal Vascular Reactivity as Assessed by Optical Coherence Tomography Angiography
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Retinal Vascular Reactivity as Assessed by Optical Coherence Tomography Angiography

Published on: March 26, 2020

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Last Updated: Jun 20, 2026

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

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Retinal Vascular Reactivity as Assessed by Optical Coherence Tomography Angiography

Published on: March 26, 2020

Area of Science:

  • Physiology
  • Medical Technology

Context:

  • Establishment of a hyperbaric medical center in Geneva facilitates exploration of elective hyperbaric oxygen therapy (HBOT) applications.
  • While physiological effects of HBOT are understood, robust clinical evidence for many indications is limited.

Purpose:

  • To review established indications for hyperbaric oxygen therapy, including diabetic foot ulcers, ischemic ulcers, and anaerobic infections.
  • To summarize other potential HBOT indications and their current scientific validation.
  • To highlight HBOT as an adjunctive therapy requiring multiple treatment sessions.

Summary:

  • The review focuses on frequent indications for HBOT, such as diabetic foot ulcers, ischemic ulcers, and anaerobic infections.
  • Other indications are presented with their levels of scientific proof.
  • HBOT is consistently presented as a complementary treatment, necessitating numerous sessions for optimal outcomes.

Impact:

  • Provides a consolidated overview of HBOT indications and their supporting evidence.
  • Informs clinical practice regarding the appropriate use of HBOT as an adjunct therapy.
  • Identifies areas where further clinical trials are needed to strengthen the evidence base for HBOT.