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Related Concept Videos

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)
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...
Endotracheal Tube Extubation01:24

Endotracheal Tube Extubation

Endotracheal tube extubation is a critical procedure in weaning patients from mechanical ventilation. It involves physically removing the oral or nasal endotracheal (ET) tube, marking the final step in liberating a patient from ventilatory support.
Procedure
Extubation removes the endotracheal tube (ETT) from the patient on mechanical ventilation. It requires a well-coordinated, multidisciplinary approach involving physicians, nurses, respiratory therapists, and other healthcare professionals.
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...
Mechanical Ventilation I: Indication and Settings01:29

Mechanical Ventilation I: Indication and Settings

Mechanical ventilation is a life-saving technique for managing acute respiratory failure and other respiratory complications. The process involves using a machine known as a ventilator to supply oxygen to the lungs and assist in removing carbon dioxide. It serves as a bridge to long-term mechanical ventilation or a temporary measure until ventilatory support is discontinued. The ventilator can maintain this function for a prolonged period, providing critical support for patients until they can...
Assessment of Diffusion and Perfusion01:17

Assessment of Diffusion and Perfusion

Understanding and evaluating diffusion and perfusion is critical in assessing a patient's respiratory and circulatory health. These processes play key roles in maintaining the body's internal environment, ensuring that tissues receive adequate oxygen while waste products are efficiently removed.
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Updated: Jun 17, 2026

Monitoring Lung Function with Electrical Impedance Tomography in the Intensive Care Unit
05:56

Monitoring Lung Function with Electrical Impedance Tomography in the Intensive Care Unit

Published on: September 6, 2024

Positive end-expiratory pressure.

Luciano Gattinoni1, Eleonora Carlesso, Luca Brazzi

  • 1Dipartimento di Anestesia, Rianimazione (Intensiva e Subintensiva) e Terapia del Dolore, Fondazione IRCCS-Ospedale Maggiore Policlinico Mangiagalli Regina Elena di Milano, Milan, Italy. gattinon@policlinico.mi.it

Current Opinion in Critical Care
|December 10, 2009
PubMed
Summary
This summary is machine-generated.

Recruitment maneuvers are not beneficial for all acute respiratory distress syndrome patients. However, higher positive end-expiratory pressure (PEEP) may improve survival in severe cases, with individualized PEEP settings crucial for optimal outcomes.

Related Experiment Videos

Last Updated: Jun 17, 2026

Monitoring Lung Function with Electrical Impedance Tomography in the Intensive Care Unit
05:56

Monitoring Lung Function with Electrical Impedance Tomography in the Intensive Care Unit

Published on: September 6, 2024

Area of Science:

  • Critical Care Medicine
  • Respiratory Physiology
  • Pulmonary Engineering

Background:

  • Recent literature confirms variability in opening pressures within acute respiratory distress syndrome (ARDS) lung parenchyma.
  • Understanding lung mechanics is key to optimizing ventilation strategies.

Purpose of the Study:

  • To review current evidence on recruitment maneuvers and positive end-expiratory pressure (PEEP) selection in ARDS.
  • To evaluate methods for assessing lung recruitment and individualizing PEEP settings.

Main Methods:

  • Analysis of computed tomography scans, lung mechanics, impedance tomography, and gas exchange for recruitment assessment.
  • Review of outcome studies comparing different PEEP levels.
  • Evaluation of pressure-volume curves and transpulmonary pressure measurements for PEEP individualization.

Main Results:

  • Opening pressures vary significantly, with dependent regions requiring higher pressures.
  • Computed tomography is the gold standard for recruitment assessment; lung mechanics serve as a bedside surrogate.
  • Higher PEEP demonstrated survival benefit in a subgroup of severe ARDS patients.
  • The expiratory limb of the pressure-volume curve and transpulmonary pressure are suggested for individualizing PEEP.

Conclusions:

  • Recruitment maneuvers offer no benefit when applied indiscriminately to all ARDS patients.
  • Severe ARDS patients may benefit from recruitment maneuvers and higher PEEP.
  • Individualizing PEEP using expiratory phase analysis and esophageal pressure measurements for transpulmonary pressure calculation is recommended for clinical practice.