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Related Concept Videos

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,...
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-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:
Acute Respiratory Failure-IV01:23

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...
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...

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Updated: May 12, 2026

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

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Acute respiratory failure.

James Schneider1, Todd Sweberg

  • 1Division of Critical Care Medicine, Hofstra North Shore-LIJ School of Medicine, Cohen Children's Medical Center of New York, North Shore Long Island Jewish Health System, 269-01 76th Avenue, New Hyde Park, NY 11040, USA. jschneide2@nshs.edu

Critical Care Clinics
|March 30, 2013
PubMed
Summary
This summary is machine-generated.

Critically ill children frequently experience acute respiratory failure, often due to pneumonia or bronchiolitis. While noninvasive monitoring is preferred, long-term respiratory compromise can occur after recovery from acute lung injury/acute respiratory distress syndrome.

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A Model of Self-limited Acute Lung Injury by Unilateral Intra-bronchial Acid Instillation
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Last Updated: May 12, 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

A Model of Self-limited Acute Lung Injury by Unilateral Intra-bronchial Acid Instillation
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A Model of Self-limited Acute Lung Injury by Unilateral Intra-bronchial Acid Instillation

Published on: August 30, 2019

Area of Science:

  • Pediatric Critical Care Medicine
  • Respiratory Physiology
  • Pulmonology

Background:

  • Acute respiratory failure is prevalent in critically ill children.
  • Developmental variations in the pediatric respiratory system increase susceptibility.
  • Pneumonia and bronchiolitis are the leading causes of respiratory failure in children.

Purpose of the Study:

  • To review the physiologic basis of acute respiratory failure in children.
  • To discuss current therapeutic options for pediatric acute respiratory failure.
  • To highlight the evolution of respiratory monitoring in pediatric critical care.

Main Methods:

  • Review of existing literature on pediatric acute respiratory failure.
  • Discussion of diagnostic and monitoring techniques, emphasizing noninvasive methods.
  • Analysis of outcomes and long-term sequelae in children with ALI/ARDS.

Main Results:

  • Clinical examination remains crucial despite advancements in monitoring.
  • Noninvasive monitoring has largely replaced invasive tests.
  • Children with ALI/ARDS generally have better outcomes than adults, but specific therapies require further research.
  • Long-term respiratory compromise is common after recovery from ALI/ARDS.

Conclusions:

  • Understanding the unique physiology of pediatric respiratory failure is essential for effective management.
  • Noninvasive monitoring and clinical assessment are key components of care.
  • While outcomes are often better than in adults, further research into pediatric-specific therapies is needed.
  • Children recovering from ALI/ARDS may experience persistent respiratory issues.