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

Pulmonary Function Tests01:25

Pulmonary Function Tests

1.1K
Pulmonary Function Tests (PFTs)
Pulmonary Function Tests are crucial diagnostic tools for assessing respiratory function, particularly in patients with chronic respiratory disorders. They comprehensively evaluate lung volumes, ventilatory function, breathing mechanics, diffusion, and gas exchange. These tests help diagnose pulmonary diseases and play a significant role in monitoring disease progression, evaluating disability, and assessing response to therapy.
PFTs involve using a spirometer, a...
1.1K
Chronic Obstructive Pulmonary Disease-I: Introduction01:20

Chronic Obstructive Pulmonary Disease-I: Introduction

4.2K
Chronic Obstructive Pulmonary Disease (COPD) is a long-lasting respiratory condition requiring continuous attention and care. It is a progressive lung disease that leads to breathing challenges due to airflow obstruction. It manifests as persistent respiratory symptoms and restricted airflow resulting from abnormalities in the airways and alveoli, usually due to long-term exposure to harmful particles or gases. COPD mainly consists of two primary conditions: emphysema and chronic bronchitis.
4.2K
Chronic Obstructive Pulmonary Disease-IV: Assessement and Diagnostic Studies01:27

Chronic Obstructive Pulmonary Disease-IV: Assessement and Diagnostic Studies

3.4K
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
3.4K
COPD: Management Using Bronchodilators and Corticosteroids01:26

COPD: Management Using Bronchodilators and Corticosteroids

1.2K
Chronic obstructive pulmonary isease (COPD) involves a group of progressive lung disorders characterized by persistent airflow limitation and chronic respiratory symptoms. Asthma-COPD Overlap Syndrome (ACOS), encompassing features of both asthma and Chronic obstructive pulmonary disease (COPD), is a group of progressive lung disorders that includes chronic bronchitis, emphysema, and refractory (non-reversible) asthma. ACOS leads to complex clinical presentations that combine the inflammatory...
1.2K
Respiratory Volumes and Capacities I01:26

Respiratory Volumes and Capacities I

2.1K
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...
2.1K
Respiratory Volumes01:15

Respiratory Volumes

3.6K
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...
3.6K

You might also read

Related Articles

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

Sort by
Same author

Lung Diffusing Capacity at Age 22 and its Life-Course Determinants: Evidence from the 1993 Pelotas Birth Cohort.

Archivos de bronconeumologia·2026
Same author

Evaluation of the performance of the reference equations for single-breath diffusing capacity of the lung for carbon monoxide (DLCOsb) in Latin American populations at different altitudes: A multicentre study.

Pulmonology·2026
Same author

Molecular Characterization of Persistent SARS-CoV-2 Infections in Immunocompromised Patients.

Viruses·2026
Same author

Joint statement from GOLD/GLI regarding the use of spirometry to define airflow obstruction and diagnose COPD.

The European respiratory journal·2026
Same author

Salud publica de Mexico·2026
Same author

Salud publica de Mexico·2026

Related Experiment Video

Updated: Apr 18, 2026

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

6.7K

Spirometry quality in adults with very severe lung function impairment.

Luis Torre-Bouscoulet1, Mónica Velázquez-Uncal2, Rogelio García-Torrentera3

  • 1Department of Respiratory Physiology, Instituto Nacional de Enfermedades Respiratorias "Ismael Cosío Villegas," Tlalpan luistorreb@gmail.com.

Respiratory Care
|January 15, 2015
PubMed
Summary

Patients with severe lung disease can achieve adequate spirometry quality. Despite challenges, most tests met quality goals, indicating severe lung disease is not a barrier to accurate pulmonary function testing.

Keywords:
lung functionquality controlrespiratory impairmentspirometry

More Related Videos

Home-Based Prescribed Pulmonary Exercise in Patients with Stable Chronic Obstructive Pulmonary Disease
07:10

Home-Based Prescribed Pulmonary Exercise in Patients with Stable Chronic Obstructive Pulmonary Disease

Published on: August 24, 2019

10.7K
Author Spotlight: Integrating Alveolar-Capillary Reserve Measurements in Exercise Adaptation and Therapeutic Strategies
08:44

Author Spotlight: Integrating Alveolar-Capillary Reserve Measurements in Exercise Adaptation and Therapeutic Strategies

Published on: February 2, 2024

1.5K

Related Experiment Videos

Last Updated: Apr 18, 2026

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

6.7K
Home-Based Prescribed Pulmonary Exercise in Patients with Stable Chronic Obstructive Pulmonary Disease
07:10

Home-Based Prescribed Pulmonary Exercise in Patients with Stable Chronic Obstructive Pulmonary Disease

Published on: August 24, 2019

10.7K
Author Spotlight: Integrating Alveolar-Capillary Reserve Measurements in Exercise Adaptation and Therapeutic Strategies
08:44

Author Spotlight: Integrating Alveolar-Capillary Reserve Measurements in Exercise Adaptation and Therapeutic Strategies

Published on: February 2, 2024

1.5K

Area of Science:

  • Pulmonary Medicine
  • Respiratory Diagnostics

Background:

  • Technologists express concern that severe lung disease hinders spirometry maneuver completion due to high effort requirements.
  • Spirometry is crucial for assessing lung function, particularly in patients with significant respiratory impairment.

Purpose of the Study:

  • To evaluate the quality of spirometry tests in patients with very severe lung disease.
  • To identify factors associated with poor spirometry quality in this population.

Main Methods:

  • Retrospective analysis of spirometry tests from adult subjects with FEV1 < 35% predicted over a 3-year period.
  • Assessment of test session quality rates and correlates.

Main Results:

  • Approximately 90% of spirometry tests in subjects with very severe lung impairment (FEV1 < 35% predicted) were of adequate quality.
  • Airway obstruction was linked to lower FVC repeatability.
  • Poor spirometry quality correlated with very low FVC and low BMI, but not advanced age.

Conclusions:

  • Severe lung disease does not preclude achieving spirometry quality goals.
  • Spirometry quality should be maintained even in patients with significant respiratory compromise.