Search research articles

ABOUT JoVE

Overview Leadership Blog JoVE Help Center

AUTHORS

Publishing Process Editorial Board Scope & Policies Peer Review FAQ Submit

LIBRARIANS

Testimonials Subscriptions Access Resources Library Advisory Board FAQ

RESEARCH

JoVE Journal Methods Collections JoVE Encyclopedia of Experiments Archive

EDUCATION

JoVE Core JoVE Business JoVE Science Education JoVE Lab Manual Faculty Resource Center Faculty Site

Terms & Conditions of Use

Related Concept Videos

Acute Respiratory Failure-I

Acute Respiratory Failure-I

Acute respiratory failure is a condition characterized by the inability of the lungs to perform their primary function: gas exchange. This failure leads to insufficient oxygen levels (hypoxemia) in the blood, elevated carbon dioxide levels (hypercapnia), or both, causing critical impairment in organ function.
Definition: It is defined by specific criteria based on blood gas measurements. Hypoxemia happens when the partial pressure of oxygen (PaO2) falls below 60 mmHg. At the same time,...

Respiratory Assessment: Purpose and Indications

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...

Hypoxia

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...

Acute Respiratory Failure-II

Acute Respiratory Failure-II

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:

Assessment of Airway, Skin Color, and Use of Accessory Muscles

Assessment of Airway, Skin Color, and Use of Accessory Muscles

A thorough assessment of respiratory health is paramount in clinical settings to identify and manage respiratory distress and ensure adequate oxygenation. This article elaborates on the critical aspects of respiratory evaluation, including airway assessment, skin color examination, and the observation of accessory muscle use, which are integral to effectively diagnosing and managing patients with respiratory conditions.
Introduction
The initial evaluation of a patient's respiratory system...

Acute Respiratory Failure-IV

Acute Respiratory Failure-IV

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...

You might also read

Related Articles

Articles linked to this work by shared authors, journal, and citation graph.

Sort by

Same author

Building an Interdisciplinary Clinic for Upper Extremity Reconstruction in Spinal Cord Injury: The Montreal TetraHand Experience.

Plastic and reconstructive surgery. Global open·2026

Same author

Eyelid and conjunctiva sparing exenteration followed by microvascular free flap reconstruction - report of two cases.

Orbit (Amsterdam, Netherlands)·2025

Same author

Symptomatic Ulnar Nerve Compression After Biceps-to-Triceps Tendon Transfer for Elbow Extension Reconstruction in Tetraplegia: A Case Report.

Spinal cord series and cases·2024

Same author

En bloc resection and iliac crest bone grafting for giant cell tumor of the finger.

Hand surgery & rehabilitation·2024

Same author

The use of indocyanine green angiography in arterialized-venous free flaps: Case report and insight into flap vascular physiology.

JPRAS open·2022

Same author

Face Transplant: Current Update and First Canadian Experience: Correction.

Plastic and reconstructive surgery·2021

Search research articles

Related Experiment Video

Updated: Jun 12, 2026

A Swine Model of Neonatal Asphyxia

A Swine Model of Neonatal Asphyxia

Published on: October 11, 2011

Classification of asphyxia: the need for standardization.

Anny Sauvageau¹, Elie Boghossian

¹Laboratoire de sciences judiciaires et de médecine légale, Montreal, QC, Canada. anny.sauvageau@gmail.com

Journal of Forensic Sciences

|June 22, 2010

Summary

This study addresses inconsistent forensic asphyxia classifications by proposing a unified system. It categorizes asphyxia into suffocation, strangulation, mechanical asphyxia, and drowning for clearer forensic analysis.

More Related Videos

A Piglet Perinatal Asphyxia Model to Study Cardiac Injury and Hemodynamics after Cardiac Arrest, Resuscitation, and the Return of Spontaneous Circulation

A Piglet Perinatal Asphyxia Model to Study Cardiac Injury and Hemodynamics after Cardiac Arrest, Resuscitation, and the Return of Spontaneous Circulation

Published on: January 13, 2023

The Perinatal Asphyxiated Lamb Model: A Model for Newborn Resuscitation

The Perinatal Asphyxiated Lamb Model: A Model for Newborn Resuscitation

Published on: August 15, 2018

Related Experiment Videos

Last Updated: Jun 12, 2026

A Swine Model of Neonatal Asphyxia

A Swine Model of Neonatal Asphyxia

Published on: October 11, 2011

A Piglet Perinatal Asphyxia Model to Study Cardiac Injury and Hemodynamics after Cardiac Arrest, Resuscitation, and the Return of Spontaneous Circulation

A Piglet Perinatal Asphyxia Model to Study Cardiac Injury and Hemodynamics after Cardiac Arrest, Resuscitation, and the Return of Spontaneous Circulation

Published on: January 13, 2023

The Perinatal Asphyxiated Lamb Model: A Model for Newborn Resuscitation

The Perinatal Asphyxiated Lamb Model: A Model for Newborn Resuscitation

Published on: August 15, 2018

Area of Science:

Forensic Pathology
Medical Science

Background:

Current classifications and definitions of asphyxia subtypes lack uniformity across textbooks and research.
Inconsistent definitions lead to variations in research findings and misclassification of similar forensic cases.

Purpose of the Study:

To highlight discrepancies in current asphyxia classifications.
To propose a unified system for classifying asphyxia in forensic contexts.

Main Methods:

Review and analysis of existing literature on asphyxia classification.
Development of a proposed unified classification model based on identified discrepancies.

Main Results:

Asphyxia is proposed to be classified into four main categories: suffocation, strangulation, mechanical asphyxia, and drowning.
Suffocation subtypes include smothering, choking, and confined spaces/vitiated atmosphere.
Strangulation subtypes are ligature strangulation, hanging, and manual strangulation.
Mechanical asphyxia includes positional and traumatic asphyxia.

Conclusions:

A unified classification system for asphyxia is essential for consistent forensic analysis.
The proposed model provides a standardized framework for understanding and categorizing asphyxia-related deaths.