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

Respiratory Volumes01:15

Respiratory Volumes

1.3K
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...
1.3K
Respiratory Capacities01:24

Respiratory Capacities

768
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...
768
Chronic Obstructive Pulmonary Disease-IV: Assessement and Diagnostic Studies01:27

Chronic Obstructive Pulmonary Disease-IV: Assessement and Diagnostic Studies

2.5K
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
2.5K
Pulmonary Function Tests01:25

Pulmonary Function Tests

311
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...
311
Physical Assessment of the Respiratory Tract II: Palpation01:24

Physical Assessment of the Respiratory Tract II: Palpation

253
Physical assessment of the respiratory tract is critical in identifying potential health issues. One key component of this assessment is palpation, a technique healthcare providers use to assess the body for abnormalities. This content explores the method of palpation in evaluating the respiratory tract, focusing on thoracic palpation and tactile fremitus.
Thoracic Palpation
Thoracic palpation detects tenderness, masses, lesions, respiratory excursions, and vocal fremitus. The nurse assesses...
253
Chronic Obstructive Pulmonary Disease-I: Introduction01:20

Chronic Obstructive Pulmonary Disease-I: Introduction

2.8K
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.
2.8K

You might also read

Related Articles

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

Sort by
Same author

Positive Airway Pressure Therapy in the Prevention of Obstructive Sleep Apnea Associated Cardiovascular Disease: Controversy.

The American journal of the medical sciences·2026
Same author

Hidden Within: Pulmonary Nocardiosis in an Immunocompetent COPD Patient.

Puerto Rico health sciences journal·2025
Same author

The Need for a Multidisciplinary Approach for Successful High-Risk Pulmonary Embolism Treatment.

Federal practitioner : for the health care professionals of the VA, DoD, and PHS·2025
Same author

Lung Cancer Screening Eligibility, Uptake, and Adherence in Puerto Rico, 2022.

JTO clinical and research reports·2025
Same author

Embracing the challenge: fostering interest in sleep medicine among internal medicine residents.

Journal of clinical sleep medicine : JCSM : official publication of the American Academy of Sleep Medicine·2025
Same author

Two Roads to Diagnose Primary Esophageal Adenoid Cystic Carcinoma in the Mediastinum.

Annals of thoracic surgery short reports·2025

Related Experiment Video

Updated: Jun 10, 2025

Measurement of the Pressure-volume Curve in Mouse Lungs
09:49

Measurement of the Pressure-volume Curve in Mouse Lungs

Published on: January 27, 2015

18.6K

Measuring Restrictive Lung Disease Severity Using FEV1 vs TLC.

Rebeca Vazquez-Nieves1, Vanessa Fonseca-Ferrer1, Juan Irizarry-Nieves1

  • 1Veterans Affairs Caribbean Healthcare System, San Juan, Puerto Rico.

Federal Practitioner : for the Health Care Professionals of the VA, Dod, and PHS
|October 16, 2024
PubMed
Summary

For patients with restrictive lung disease, forced expiratory volume in 1 second (FEV1) better reflects disease severity and symptoms than total lung capacity (TLC). This finding aids in assessing restrictive lung disease progression.

More Related Videos

Three-Dimensional Phase Resolved Functional Lung Magnetic Resonance Imaging
10:44

Three-Dimensional Phase Resolved Functional Lung Magnetic Resonance Imaging

Published on: June 21, 2024

447
Author Spotlight: Enhancing Diagnostic Strategies and Biomarker Development for Comprehensive Lung Function Analysis
05:56

Author Spotlight: Enhancing Diagnostic Strategies and Biomarker Development for Comprehensive Lung Function Analysis

Published on: August 9, 2024

1.1K

Related Experiment Videos

Last Updated: Jun 10, 2025

Measurement of the Pressure-volume Curve in Mouse Lungs
09:49

Measurement of the Pressure-volume Curve in Mouse Lungs

Published on: January 27, 2015

18.6K
Three-Dimensional Phase Resolved Functional Lung Magnetic Resonance Imaging
10:44

Three-Dimensional Phase Resolved Functional Lung Magnetic Resonance Imaging

Published on: June 21, 2024

447
Author Spotlight: Enhancing Diagnostic Strategies and Biomarker Development for Comprehensive Lung Function Analysis
05:56

Author Spotlight: Enhancing Diagnostic Strategies and Biomarker Development for Comprehensive Lung Function Analysis

Published on: August 9, 2024

1.1K

Area of Science:

  • Pulmonology
  • Respiratory Medicine
  • Clinical Evaluation

Background:

  • Current methods for grading restrictive lung disease severity lack clear parameters.
  • Existing ventilatory disease grading systems are not directly applicable.
  • This study addresses the need for better clinical markers in restrictive lung disease.

Purpose of the Study:

  • To evaluate the correlation between spirometric measures and patient symptomatology.
  • To determine if Total Lung Capacity (TLC) or Forced Expiratory Volume in 1 second (FEV1) is a better indicator of restrictive lung disease severity.
  • To identify improved parameters for assessing restrictive lung disease.

Main Methods:

  • Retrospective review of 414 patient records meeting inclusion criteria.
  • Data collection included pulmonary function tests, Modified Medical Research Council Dyspnea Scale, FEV1, and TLC.
  • Analysis focused on correlating spirometric values with reported dyspnea levels.

Main Results:

  • A stronger correlation was found between FEV1 and dyspnea (r = 0.25, P < .001) compared to TLC and dyspnea (r = 0.15, P < .001).
  • FEV1 demonstrated a statistically significant relationship with symptom severity.
  • TLC showed a weaker, though still significant, correlation with dyspnea.

Conclusions:

  • FEV1 may serve as a more accurate clinical measure of restrictive lung disease severity than TLC.
  • The findings suggest FEV1 is a more sensitive marker for patient-reported symptoms.
  • Further research is recommended to identify more precise measures of dyspnea in restrictive lung disease.