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Related Concept Videos

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...
Mechanical Ventilation III: Noninvasive Ventilation01:23

Mechanical Ventilation III: Noninvasive Ventilation

Noninvasive positive-pressure ventilation (NIPPV), continuous positive airway pressure (CPAP), and bilevel positive airway pressure (BiPAP) are essential methods in respiratory care. These ventilation techniques offer unique benefits for patients with various respiratory conditions, providing adequate support without requiring intubation. Let's explore how each method is crucial in improving patient outcomes and enhancing respiratory therapy.
Noninvasive Positive-Pressure Ventilation (NIPPV)
Mechanical Ventilation II: Invasive Ventilation01:23

Mechanical Ventilation II: Invasive Ventilation

Ventilators are essential medical equipment used to aid patients with respiratory difficulties. Their primary function is to assist or replace spontaneous breathing by providing mechanical ventilation. There are two general classes of mechanical ventilators: negative-pressure and positive-pressure ventilators.
Negative-Pressure Ventilators
Negative-pressure ventilators create a vacuum around the chest or body to draw air into the lungs, simulating breathing. This method does not require an...
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...
Pulmonary Ventilation: Inhalation01:24

Pulmonary Ventilation: Inhalation

Pulmonary ventilation is a vital process that ensures the exchange of oxygen and carbon dioxide in the lungs. It refers to the movement of air into and out of the lungs, enabling the body to obtain oxygen and remove waste carbon dioxide. In this article, we will explore the intricacies of pulmonary ventilation, including its underlying principles, mechanisms, and the interplay of pressures within the respiratory system.
Boyle's law becomes particularly pertinent when examining respiratory...
Pressure Relationships in Thoracic Cavity01:24

Pressure Relationships in Thoracic Cavity

Breathing, otherwise known as pulmonary ventilation, is the process of air movement into and out of the lungs. The main mechanisms propelling pulmonary ventilation are atmospheric pressure (Patm), intra-pulmonary (Ppul ) or intra-alveolar pressure (Palv) within the alveoli, and intrapleural pressure (Pip) within the pleural cavity.
Breathing Mechanisms
Both intra-alveolar and intrapleural pressures rely on specific lung properties. The ability to breathe—allowing air to enter the lungs during...

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Related Experiment Video

Updated: Jun 20, 2026

Bronchial Thermoplasty: A Novel Therapeutic Approach to Severe Asthma
14:39

Bronchial Thermoplasty: A Novel Therapeutic Approach to Severe Asthma

Published on: November 4, 2010

Airway pressure release ventilation.

Ehab G Daoud1

  • 1Department of Critical Care Medicine, The Miriam Hospital, Brown University, Providence, Rhode Island, USA. ehab_daoud@hotmail.com

Annals of Thoracic Medicine
|September 4, 2009
PubMed
Summary
This summary is machine-generated.

Airway pressure release ventilation (APRV) is a safe and effective mechanical ventilation method for patients with acute respiratory distress syndrome. This review details APRV

Keywords:
Critical caremechanical ventilationrespiratory failure

Related Experiment Videos

Last Updated: Jun 20, 2026

Bronchial Thermoplasty: A Novel Therapeutic Approach to Severe Asthma
14:39

Bronchial Thermoplasty: A Novel Therapeutic Approach to Severe Asthma

Published on: November 4, 2010

Area of Science:

  • Critical Care Medicine
  • Pulmonary Medicine
  • Mechanical Ventilation

Background:

  • Airway pressure release ventilation (APRV) has been available for two decades.
  • APRV has recently gained popularity as a safe alternative for mechanical ventilation.
  • It is particularly useful for patients with acute lung injury/acute respiratory distress syndrome who are difficult to oxygenate.

Purpose of the Study:

  • To provide a comprehensive overview of Airway Pressure Release Ventilation (APRV).
  • To discuss the definition, mechanism, advantages, and indications of APRV.
  • To offer guidance on the clinical application of APRV.

Main Methods:

  • This is a review article.
  • It synthesizes existing literature on APRV.
  • The review covers the fundamental principles and clinical aspects of APRV.

Main Results:

  • APRV is an effective and safe ventilation strategy.
  • It offers significant benefits for patients with challenging oxygenation requirements.
  • The mode provides a viable alternative to conventional ventilation methods.

Conclusions:

  • APRV is a valuable tool in managing acute respiratory distress syndrome.
  • Understanding its mechanism and indications is crucial for optimal patient care.
  • Further adoption of APRV can improve outcomes for critically ill patients.