Related Experiment Video

Updated: Aug 13, 2026

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

The maximal expiratory flow-volume curve. Normal standards, variability, and effects of age

R J Knudson, R C Slatin, M D Lebowitz

    The American Review of Respiratory Disease
    |May 1, 1976
    PubMed

    More Related Videos

    Employing the Forced Oscillation Technique for the Assessment of Respiratory Mechanics in Adults06:11

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

    Published on: February 9, 2022

    Dual Test Gas Pulmonary Diffusing Capacity Measurement During Exercise in Humans Using the Single-Breath Method08:44

    Dual Test Gas Pulmonary Diffusing Capacity Measurement During Exercise in Humans Using the Single-Breath Method

    Published on: February 2, 2024

    Related Concept Videos

    Lung Capacity01:47

    Lung Capacity

    The air in the lungs is measured in volumes and capacities. Lung volume measures reflect the amount of air taken in, released, or left over after a lung function, like a single inhalation. Lung capacity measures are sums of two or more lung volume measures.
    Respiratory Volumes and Capacities I01:26

    Respiratory Volumes and Capacities I

    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...
    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...
    Respiratory Capacities01:24

    Respiratory Capacities

    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...
    Factors Affecting Pulmonary Ventilation01:19

    Factors Affecting Pulmonary Ventilation

    Besides the pressure difference between the external environment and the lungs, the airflow rate and ease of pulmonary ventilation are also influenced by three other factors: surface tension of the fluid in the alveoli, compliance of the lungs, and airway resistance.
    Alveolar Surface Tension
    The alveolar fluid lines the luminal surface of the alveoli and exerts a force called surface tension. This force is caused by the polar water molecules in the liquid being more strongly attracted to each...
    Respiratory Volumes and Capacities01:22

    Respiratory Volumes and Capacities

    The respiratory system is responsible for the intake of oxygen and the expulsion of carbon dioxide from the body. Respiratory volumes describe the volume of air in the lungs at different phases of the respiratory cycle. Tidal volume is the air breathed in and out during normal, quiet breathing. Inspiratory reserve volume is the air that can be forcefully inspired beyond the tidal volume. In contrast, expiratory reserve volume refers to the air that can be expelled from the lungs after a normal...