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

Assessment of Airway, Skin Color, and Use of Accessory Muscles01:30

Assessment of Airway, Skin Color, and Use of Accessory Muscles

1.8K
A thorough assessment of respiratory health is paramount in clinical settings to identify and manage respiratory distress and ensure adequate oxygenation. This article elaborates on the critical aspects of respiratory evaluation, including airway assessment, skin color examination, and the observation of accessory muscle use, which are integral to effectively diagnosing and managing patients with respiratory conditions.
Introduction
The initial evaluation of a patient's respiratory system...
1.8K
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
Chronic Obstructive Pulmonary Disease-IV: Assessement and Diagnostic Studies01:27

Chronic Obstructive Pulmonary Disease-IV: Assessement and Diagnostic Studies

3.3K
Assessing and diagnosing Chronic Obstructive Pulmonary Disease (COPD) involves a detailed approach that includes a comprehensive review of medical history, physical examination, and a variety of diagnostic tests. This thorough evaluation is essential to ensure an accurate diagnosis and guide effective management strategies.
Medical History
3.3K
Respiratory Capacities01:24

Respiratory Capacities

1.6K
Respiratory capacities are crucial indicators of lung function, representing the maximum amount of air an individual's respiratory system can handle during various breathing phases.
One key metric is the Inspiratory Capacity (IC), which represents the maximum amount of air that can be inhaled with full effort. IC is calculated by summing the tidal volume and inspiratory reserve volume, typically ranging from 2.4 to 3.6 liters.
The Functional Residual Capacity (FRC) represents the air in the...
1.6K
Assessment of Respiration01:23

Assessment of Respiration

2.2K
The respiratory system's basic structures and primary functions lay the foundation for nurses' comprehensive respiratory assessments. This assessment includes subjective and objective data to gauge the patient's respiratory health.
Subjective Assessment: Nurses interview the patient to gather information directly during the subjective assessment. It includes questions about the individual's medical history, medications, and symptoms, focusing on past respiratory conditions like...
2.2K
Respiratory Volumes01:15

Respiratory Volumes

3.3K
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...
3.3K

You might also read

Related Articles

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

Sort by
Same author

Effect on Bracket Bonding of Polishing with Fluoride-Containing Prophy Paste Before Enamel Pretreatment with Orthophosphoric Acid: A Randomized Clinical Trial.

Turkish journal of orthodontics·2026
Same author

Biventricular and biatrial assessment using low-dose cine computed tomography during recirculation phase of contrast agent: Comparison to cine cardiac magnetic resonance.

Journal of cardiovascular computed tomography·2026
Same author

Diagnostic Improvement in Endoleak Detection: The Role of Low-energy Virtual Monochromatic CT and Deep Learning Reconstruction.

Journal of imaging informatics in medicine·2026
Same author

Improved image quality and greater diagnostic suitability in myocardial delayed enhancement CT with deep learning image reconstruction.

Japanese journal of radiology·2026
Same author

Effect of atmospheric pressure plasma irradiation on adhesive penetration into gaps.

Dental materials journal·2026
Same author

A novel pendulum-based impulse method to measure CT temporal resolution.

Journal of cardiovascular computed tomography·2026

Related Experiment Video

Updated: Mar 14, 2026

Automated Measurement of Pulmonary Emphysema and Small Airway Remodeling in Cigarette Smoke-exposed Mice
10:37

Automated Measurement of Pulmonary Emphysema and Small Airway Remodeling in Cigarette Smoke-exposed Mice

Published on: January 16, 2015

13.8K

Respiratory Muscle Strength and Imaging Parameters in Smokers: A Prospective Observational Study.

Yumiko Matsuo1, Emiko Ogawa1,2, Tomoko Iriyama1

  • 1Division of Respiratory Medicine, Department of Internal Medicine, Shiga University of Medical Science, Otsu, Shiga, Japan.

International Journal of Chronic Obstructive Pulmonary Disease
|March 13, 2026
PubMed
Summary

Respiratory muscle strength in COPD patients correlates with gas trapping, not airflow limitation. These tests are valuable indicators, especially in early COPD stages before emphysema develops.

Keywords:
COPDPEmaxPImaxdisease probability measureemphysemagas trapping

More Related Videos

Multi-modal Pulmonary Imaging: Using Complementary Information from CT and Hyperpolarized 129Xe MRI to Evaluate Lung Structure-Function
02:09

Multi-modal Pulmonary Imaging: Using Complementary Information from CT and Hyperpolarized 129Xe MRI to Evaluate Lung Structure-Function

Published on: April 12, 2024

1.1K
Acquisition and Semi-Automated Analysis of Respiratory Muscle Surface Electromyography
09:42

Acquisition and Semi-Automated Analysis of Respiratory Muscle Surface Electromyography

Published on: January 24, 2025

1.4K

Related Experiment Videos

Last Updated: Mar 14, 2026

Automated Measurement of Pulmonary Emphysema and Small Airway Remodeling in Cigarette Smoke-exposed Mice
10:37

Automated Measurement of Pulmonary Emphysema and Small Airway Remodeling in Cigarette Smoke-exposed Mice

Published on: January 16, 2015

13.8K
Multi-modal Pulmonary Imaging: Using Complementary Information from CT and Hyperpolarized 129Xe MRI to Evaluate Lung Structure-Function
02:09

Multi-modal Pulmonary Imaging: Using Complementary Information from CT and Hyperpolarized 129Xe MRI to Evaluate Lung Structure-Function

Published on: April 12, 2024

1.1K
Acquisition and Semi-Automated Analysis of Respiratory Muscle Surface Electromyography
09:42

Acquisition and Semi-Automated Analysis of Respiratory Muscle Surface Electromyography

Published on: January 24, 2025

1.4K

Area of Science:

  • Pulmonology
  • Radiology
  • Respiratory Medicine

Background:

  • Respiratory muscle strength (RMS) testing is standard in COPD rehabilitation.
  • The relationship between RMS and imaging parameters, particularly dynamic pulmonary hyperinflation, needs further investigation.
  • Understanding this link can enhance COPD patient management.

Purpose of the Study:

  • To investigate the relationship between imaging parameters and RMS in smokers.
  • To assess the utility of RMS tests as indicators of dynamic pulmonary hyperinflation pathophysiology.
  • To explore the correlation between RMS and quantitative imaging markers of gas trapping and emphysema.

Main Methods:

  • A prospective observational study included 48 COPD patients and 10 non-COPD smokers.
  • Respiratory muscle strength tests, pulmonary function tests, and chest CT scans were performed.
  • Quantitative imaging parameters for gas trapping and emphysema were analyzed using the disease probability measure (DPM).

Main Results:

  • Maximal inspiratory and expiratory pressures (PImax and PEmax) showed negative correlations with residual volume/total lung capacity.
  • PImax and PEmax were negatively correlated with DPM-identified gas-trapping lesions (DPMGasTrap).
  • Significant differences in DPMGasTrap were observed between high and low PImax/PEmax groups.

Conclusions:

  • Respiratory muscle strength in smokers reflects the extent of gas trapping, rather than airflow limitation.
  • RMS testing is a valuable tool, particularly in the early stages of COPD.
  • These findings suggest RMS tests can indicate early pathophysiological changes before significant emphysema develops.