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Related Concept Videos

Acute Respiratory Failure-V01:29

Acute Respiratory Failure-V

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...
Acute Respiratory Failure-II01:21

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:
Ventilatory Modes01:14

Ventilatory Modes

Mechanical ventilators are life-saving devices that support or replace spontaneous breathing. They deliver breaths to patients through varying methods known as ventilator modes. Understanding these modes is critical for healthcare providers managing patients with respiratory failure.
There are three ventilatory modes: full support, partial support, and spontaneous. These are described below.
Full Support Modes
Full support modes include controlled mechanical ventilation, continuous mandatory...
Cardiopulmonary Resuscitation II: ACLS Airway Management01:22

Cardiopulmonary Resuscitation II: ACLS Airway Management

Airway management is a key skill in emergency and critical care settings, as maintaining a clear airway is essential for adequate oxygenation and ventilation.Head Tilt-Chin Lift TechniqueThe head tilt-chin lift maneuver is an essential technique primarily used in patients without suspected cervical spine injuries. To perform this maneuver, one hand is placed on the patient’s forehead, and gentle pressure is applied backward to tilt the head. The fingertips of the other hand are positioned under...
Acute Respiratory Failure-III01:30

Acute Respiratory Failure-III

Hypercapnic respiratory failure, also known as Type 2 or ventilatory respiratory failure, is a severe condition characterized by the body's inability to effectively remove carbon dioxide (CO2) from the bloodstream. It leads to an arterial CO2 pressure (PaCO2) exceeding 45 mmHg and a blood pH above 7.35. This situation indicates that the body's ventilatory demand, or the ventilation needed to maintain normal PaCO2 levels, surpasses its supply or the maximum gas flow achievable without causing...
Acute Respiratory Failure-I01:21

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,...

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Related Experiment Video

Updated: May 19, 2026

Surfactant Depletion Combined with Injurious Ventilation Results in a Reproducible Model of the Acute Respiratory Distress Syndrome (ARDS)
06:22

Surfactant Depletion Combined with Injurious Ventilation Results in a Reproducible Model of the Acute Respiratory Distress Syndrome (ARDS)

Published on: April 7, 2021

[Lung protective ventilation in ARDS].

I Biener1, M Czaplik, J Bickenbach

  • 1Klinik für Anästhesiologie, Universitätsklinikum Aachen, Pauwelsstr. 30, 52074, Aachen, Deutschland, ibiener@ukaachen.de.

Medizinische Klinik, Intensivmedizin Und Notfallmedizin
|August 22, 2012
PubMed
Summary
This summary is machine-generated.

Mechanical ventilation (MV) is crucial for respiratory insufficiency but can harm lungs, especially in acute respiratory distress syndrome (ARDS). Lung protective ventilation strategies are essential to minimize ventilator-induced lung injury and secondary inflammation.

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Lavage-induced Surfactant Depletion in Pigs As a Model of the Acute Respiratory Distress Syndrome (ARDS)
07:20

Lavage-induced Surfactant Depletion in Pigs As a Model of the Acute Respiratory Distress Syndrome (ARDS)

Published on: September 7, 2016

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Last Updated: May 19, 2026

Surfactant Depletion Combined with Injurious Ventilation Results in a Reproducible Model of the Acute Respiratory Distress Syndrome (ARDS)
06:22

Surfactant Depletion Combined with Injurious Ventilation Results in a Reproducible Model of the Acute Respiratory Distress Syndrome (ARDS)

Published on: April 7, 2021

Lavage-induced Surfactant Depletion in Pigs As a Model of the Acute Respiratory Distress Syndrome (ARDS)
07:20

Lavage-induced Surfactant Depletion in Pigs As a Model of the Acute Respiratory Distress Syndrome (ARDS)

Published on: September 7, 2016

Area of Science:

  • Intensive care medicine
  • Pulmonology
  • Critical care

Background:

  • Mechanical ventilation (MV) is a life-saving therapy for respiratory failure.
  • MV can cause ventilator-induced lung injury (VILI) due to mechanical stress.
  • Acute respiratory distress syndrome (ARDS) presents with heterogeneous lung damage, complicating MV.

Purpose of the Study:

  • To highlight the risks of MV in respiratory insufficiency.
  • To emphasize the need for protective ventilation strategies in ARDS.
  • To underscore the importance of evidence-based concepts in MV.

Main Methods:

  • Review of existing literature on MV and VILI.
  • Analysis of pathophysiological processes induced by MV.
  • Focus on ARDS pathophysiology and its implications for ventilation.

Main Results:

  • MV, while essential, can exacerbate lung injury.
  • Heterogeneous lung damage in ARDS increases VILI risk.
  • Secondary inflammatory responses can affect multiple organs.

Conclusions:

  • Lung protective ventilation is critical for managing patients on MV.
  • Evidence-based strategies are necessary to mitigate MV-induced harm.
  • Minimizing VILI is paramount in intensive care settings.