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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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Hypoxia01:23

Hypoxia

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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...
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Oxygen Transport in the Blood01:27

Oxygen Transport in the Blood

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Hemoglobin (Hb) is a crucial molecule in the human body, consisting of four polypeptide chains, each bound to an iron-containing heme group. This unique structure enables hemoglobin to bind to oxygen, with each molecule capable of combining with four molecules of oxygen, leading to rapid and reversible oxygen loading. When fully loaded with oxygen, it is called oxyhemoglobin, while hemoglobin that has released oxygen is called reduced hemoglobin or deoxyhemoglobin. As hemoglobin binds oxygen,...
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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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Pulmonary Embolism II: Diagnostic Studies and Interprofessional Care01:29

Pulmonary Embolism II: Diagnostic Studies and Interprofessional Care

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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...
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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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Related Experiment Video

Updated: Mar 6, 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

Published on: December 5, 2025

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Hyperbaric Oxygen Therapy: Exploring the Clinical Evidence.

Gretl Lam1, Rocky Fontaine, Frank L Ross

  • 1Gretl Lam, BA • Fourth-year Medical Student • New York University School of Medicine • New York, New York Rocky Fontaine, CHT • Certified Hyperbaric Technologist • Healogics • Philadelphia, Pennsylvania Frank L. Ross, MD • Associate Professor • Department of Surgery • New York University School of Medicine • New York, New York • Associate Director • Helen L. and Martin S. Kimmel Hyperbaric and Advanced Wound Healing Center • New York, New York Ernest S. Chiu, MD • Associate Professor • Department of Surgery • New York University School of Medicine • New York, New York • Director • Helen L. and Martin S. Kimmel Hyperbaric and Advanced Wound Healing Center • New York, New York.

Advances in Skin & Wound Care
|March 17, 2017
PubMed
Summary
This summary is machine-generated.

Hyperbaric oxygen therapy (HBOT) enhances wound healing by improving oxygenation and reducing inflammation. This adjunctive therapy shows benefits in treating chronic wounds, diabetic ulcers, and radiation injuries, with growing clinical evidence supporting its use.

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Area of Science:

  • Wound healing
  • Hyperbaric medicine

Background:

  • Chronic wounds and infections present global challenges.
  • Hyperbaric oxygen therapy (HBOT) is an adjunctive treatment for wound care.
  • Practitioner familiarity with HBOT is limited.

Purpose of the Study:

  • To provide information on hyperbaric oxygen therapy (HBOT).
  • To review HBOT mechanisms, indications, and safe applications.
  • To discuss clinical evidence for HBOT in specific conditions.

Main Methods:

  • Review of physiological mechanisms of HBOT.
  • Analysis of clinical evidence for HBOT applications.
  • Discussion of risks and contraindications for HBOT.

Main Results:

  • HBOT improves oxygenation, neovascularization, and reduces inflammation.
  • Clinical studies support HBOT for enhancing wound healing.
  • Evidence supports HBOT for arterial insufficiencies, diabetic ulcers, radiation injury, and osteomyelitis.

Conclusions:

  • HBOT is a valuable adjunctive therapy for challenging wounds.
  • Understanding HBOT mechanisms and evidence is crucial for practitioners.
  • HBOT offers a potential to reduce negative outcomes like amputation.