Jove
Visualize
Contact Us
JoVE
x logofacebook logolinkedin logoyoutube logo
ABOUT JoVE
OverviewLeadershipBlogJoVE Help Center
AUTHORS
Publishing ProcessEditorial BoardScope & PoliciesPeer ReviewFAQSubmit
LIBRARIANS
TestimonialsSubscriptionsAccessResourcesLibrary Advisory BoardFAQ
RESEARCH
JoVE JournalMethods CollectionsJoVE Encyclopedia of ExperimentsArchive
EDUCATION
JoVE CoreJoVE BusinessJoVE Science EducationJoVE Lab ManualFaculty Resource CenterFaculty Site
Terms & Conditions of Use
Privacy Policy
Policies

Related Concept Videos

Alterations in Respiration II01:30

Alterations in Respiration II

2.2K
There are numerous types of normal and abnormal respiration. Based on ventilatory movements, breathing patterns are classified as regular, deep, or shallow. Examples include Biot's breathing, Cheyne-Stokes respiration, Kussmaul's breathing, hyperventilation, and hypoventilation. Each pattern is clinically significant and aids in evaluating patients.
In Biot's breathing, the respiratory rate and depth are irregular, alternating between periods of deep gasping and apnea. Common causes...
2.2K
Respiratory Volumes and Capacities I01:26

Respiratory Volumes and Capacities I

1.9K
Assessing the respiratory rate and rhythm for a complete minute is crucial for evaluating the breathing pattern. Even a minor increase in the patient's average respiratory rate, by as little as three to five breaths per minute, is an early and vital indicator of respiratory distress. Patients with a respiratory rate exceeding twenty-four breaths per minute require close monitoring to determine the physiological alterations. This careful observation is essential for prompt recognition and...
1.9K
Assessment of Ventilation II: Respiratory Depth and Rhythm01:29

Assessment of Ventilation II: Respiratory Depth and Rhythm

2.7K
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:
2.7K
Physical Assessment of the Respiratory Tract II: Inspection01:27

Physical Assessment of the Respiratory Tract II: Inspection

1.1K
Physical assessment of the respiratory tract through inspection is a crucial step in understanding the patient's respiratory health. It provides insights into the functioning of the respiratory system, the musculoskeletal structure, and even the patient's nutritional status. This comprehensive approach involves observing several vital aspects: chest configuration, breathing patterns, respiratory rates, skin color, and use of accessory muscles.
Chest Configuration
The chest configuration...
1.1K
Assessment of Ventilation I: Respiratory Rate01:20

Assessment of Ventilation I: Respiratory Rate

2.6K
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:
2.6K
Special considerations while measuring oxygen saturation01:19

Special considerations while measuring oxygen saturation

1.1K
Assessing respiratory rate concurrently with pulse measurement is fundamental to patient care, providing valuable insights into the patient's respiratory function. The normal breathing rate for an adult usually falls within a normal range of 12 to 20 breaths per minute. Abnormal respiratory rates can signal underlying health conditions or the need for immediate intervention.
Ensuring accuracy in vital sign recordings while prioritizing patient comfort and minimizing anxiety is...
1.1K

You might also read

Related Articles

Articles linked to this work by shared authors, journal, and citation graph.

Sort by
Same author

Heart Rate Variability During Exercise-Heat Stress Following Seven Days of Passive Heat Acclimation in Older Males: A Secondary Analysis.

Medicine and science in sports and exercise·2026
Same author

Phase-Dependent Autonomic Responses to Electric Fan Use During a Prolonged 8-hour Heat Exposure in Older Adults.

American journal of physiology. Regulatory, integrative and comparative physiology·2026
Same author

Prognostic Factors Associated With Mortality Among Patients With Necrotizing Soft-Tissue Infection: A Systematic Review and Meta-Analysis.

Critical care medicine·2026
Same author

Erratum: Author Corrections to "Smoking, Colchicine, and Postoperative Outcomes in Thoracic Surgery: Post Hoc Analysis of the COP-AF Randomized Controlled Trial: [CJC Open Volume 7, Issue 7, July 2025, pages 860-870]".

CJC open·2026
Same author

Chest Tube Learning Synthesis and Evaluation Assistant (CheLSEA): A Prospective Observational Trial of an Intelligent Decision Support System.

Innovations (Philadelphia, Pa.)·2026
Same author

Clinical, diagnostic and prognostic relevance of GATA3 in malignant pleural mesothelioma: a retrospective cohort study.

BMC cancer·2026

Related Experiment Video

Updated: Mar 17, 2026

Investigation into Deep Breathing through Measurement of Ventilatory Parameters and Observation of Breathing Patterns
08:34

Investigation into Deep Breathing through Measurement of Ventilatory Parameters and Observation of Breathing Patterns

Published on: September 16, 2019

12.2K

Practice Variation in Spontaneous Breathing Trial Performance and Reporting.

Stephanie Godard1, Christophe Herry2, Paul Westergaard3

  • 1University of Ottawa Medical School, 451 Smyth Road, Ottawa, ON, Canada K1H 8M5.

Canadian Respiratory Journal
|July 23, 2016
PubMed
Summary
This summary is machine-generated.

Spontaneous breathing trials (SBTs) show significant practice variability across centers, impacting extubation readiness assessment. Standardizing SBT performance is crucial for accurate patient outcome prediction.

More Related Videos

Method to Obtain Pattern of Breathing in Senescent Mice through Unrestrained Barometric Plethysmography
09:13

Method to Obtain Pattern of Breathing in Senescent Mice through Unrestrained Barometric Plethysmography

Published on: April 28, 2020

7.1K
Employing the Forced Oscillation Technique for the Assessment of Respiratory Mechanics in Adults
06:11

Employing the Forced Oscillation Technique for the Assessment of Respiratory Mechanics in Adults

Published on: February 9, 2022

6.5K

Related Experiment Videos

Last Updated: Mar 17, 2026

Investigation into Deep Breathing through Measurement of Ventilatory Parameters and Observation of Breathing Patterns
08:34

Investigation into Deep Breathing through Measurement of Ventilatory Parameters and Observation of Breathing Patterns

Published on: September 16, 2019

12.2K
Method to Obtain Pattern of Breathing in Senescent Mice through Unrestrained Barometric Plethysmography
09:13

Method to Obtain Pattern of Breathing in Senescent Mice through Unrestrained Barometric Plethysmography

Published on: April 28, 2020

7.1K
Employing the Forced Oscillation Technique for the Assessment of Respiratory Mechanics in Adults
06:11

Employing the Forced Oscillation Technique for the Assessment of Respiratory Mechanics in Adults

Published on: February 9, 2022

6.5K

Area of Science:

  • Critical Care Medicine
  • Respiratory Therapy
  • Mechanical Ventilation

Background:

  • Spontaneous breathing trials (SBTs) are essential for evaluating extubation readiness.
  • Current guidelines lack standardization for SBT performance and reporting.
  • Variability in SBT practices may affect the accuracy of extubation decisions.

Purpose of the Study:

  • To investigate and quantify the variability in spontaneous breathing trial (SBT) practices across multiple healthcare centers.
  • To analyze performance metrics, including ventilatory support, oxygenation, and sedation levels during SBTs.
  • To assess the heterogeneity in the application of clinical extubation criteria.

Main Methods:

  • Analysis of data from 931 spontaneous breathing trials (SBTs) involving 680 patients across eight North American centers.
  • Evaluation of SBT performance based on ventilator support settings, oxygen requirements, and sedation levels (Richmond Agitation Scale Score - RASS).
  • Assessment of the utilization of clinical extubation criteria and changes in physiological parameters during SBTs.

Main Results:

  • While most SBTs used 5 cmH2O of ventilator support, significant variability in oxygenation and RASS scores was observed.
  • A notable percentage of SBTs (22%) were conducted in sedated patients (RASS < -2).
  • Clinical extubation criteria were heterogeneous across centers, with minimal average changes in physiological variables during SBTs.

Conclusions:

  • The study reveals considerable variation in spontaneous breathing trial (SBT) performance and documentation within and between institutions.
  • This variability underscores the need for clearer, standardized guidelines for optimal SBT technique.
  • Standardization is essential to improve the reliability of SBTs in predicting successful extubation outcomes.