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Related Concept Videos

Assessment of Ventilation I: Respiratory Rate01:20

Assessment of Ventilation I: Respiratory Rate

Assessment of Ventilation
A Ventilation assessment is critical for monitoring a patient's health status. Respiration, one of the most accessible vital signs, provides insights into the function of numerous body systems and can indicate serious health issues, such as brainstem injuries from head trauma.
Critical Guidelines for Assessing Ventilation:
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...
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...
Assessment of Ventilation II: Respiratory Depth and Rhythm01:29

Assessment of Ventilation II: Respiratory Depth and Rhythm

Respiratory Depth
Respiratory depth measures the volume of air inhaled or exhaled during a breath. It can vary from shallow to deep and typically remains consistent when a person is at rest or asleep. Occasionally, individuals will automatically inhale deeply, known as sighing, which inflates the lungs with more air than normal breathing.
To assess respiratory depth, observe the degree of chest excursion or movement:
Respiratory Volumes01:15

Respiratory Volumes

Respiratory volumes are crucial metrics, meticulously measured to quantify the air exchanged in and out of the lungs during various phases of the breathing cycle. These precise measurements are vital for assessing lung function, diagnosing respiratory conditions, and monitoring overall respiratory health. Each parameter provides specific insights into the mechanics of breathing and the functional capacity of the lungs.
Tidal Volume (TV) Tidal volume (TV) is the air inhaled or exhaled in a...
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)

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Related Experiment Video

Updated: Jul 1, 2026

Inspiratory Muscle Training as an Adjunct to the Treatment of Weaning Failure in Critically Ill Patients: A Practical Guide
04:16

Inspiratory Muscle Training as an Adjunct to the Treatment of Weaning Failure in Critically Ill Patients: A Practical Guide

Published on: January 30, 2026

Measuring Inspiratory Effort In Mechanically Ventilated Children.

Vincent Vandebergh1, Joshua Feder2, Katherine Reise3

  • 1Antwerp University Hospital, University of Antwerp.

Journal of Visualized Experiments : Jove
|June 29, 2026
PubMed
Summary
This summary is machine-generated.

Accurately measuring a child's inspiratory effort during mechanical ventilation is key to preventing lung and diaphragm injury. This study presents bedside methods to quantify this effort, aiding in lung-protective strategies.

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Evaluation of Respiratory System Mechanics in Mice using the Forced Oscillation Technique
13:10

Evaluation of Respiratory System Mechanics in Mice using the Forced Oscillation Technique

Published on: May 15, 2013

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Last Updated: Jul 1, 2026

Inspiratory Muscle Training as an Adjunct to the Treatment of Weaning Failure in Critically Ill Patients: A Practical Guide
04:16

Inspiratory Muscle Training as an Adjunct to the Treatment of Weaning Failure in Critically Ill Patients: A Practical Guide

Published on: January 30, 2026

Evaluation of Respiratory System Mechanics in Mice using the Forced Oscillation Technique
13:10

Evaluation of Respiratory System Mechanics in Mice using the Forced Oscillation Technique

Published on: May 15, 2013

Area of Science:

  • Pediatric Critical Care Medicine
  • Respiratory Physiology

Background:

  • Optimizing mechanical ventilation in children requires accurate assessment of inspiratory effort.
  • Inadequate support can lead to diaphragm atrophy or fatigue, while over-assistance risks patient self-inflicted lung injury (P-SILI).

Purpose of the Study:

  • To demonstrate validated bedside techniques for quantifying inspiratory effort in mechanically ventilated children.
  • To differentiate between respiratory drive, tidal, and maximal inspiratory effort.

Main Methods:

  • Esophageal manometry as the reference standard for respiratory muscle effort quantification.
  • Alternative bedside approaches including diaphragm electrical activity (EAdi), airway occlusion maneuvers (P0.1, Pocc, PMI), and diaphragm ultrasound.
  • Maximal inspiratory pressure (MIP) as a measure of maximal effort.

Main Results:

  • Validated bedside techniques for quantifying inspiratory effort are presented.
  • Pediatric data for selected parameters are included, though evidence for safe thresholds remains limited.
  • Combined monitoring facilitates individualized mechanical ventilation titration.

Conclusions:

  • Accurate inspiratory effort assessment is crucial for lung- and diaphragm-protective ventilation in pediatric intensive care.
  • Bedside techniques offer practical alternatives to esophageal manometry for routine clinical use.
  • Further research is needed to define safe thresholds for effort parameters in children.