Jove
Visualize
联系我们
JoVE
x logofacebook logolinkedin logoyoutube logo
关于 JoVE
概览领导团队博客JoVE 帮助中心
作者
出版流程编辑委员会范围与政策同行评审常见问题投稿
图书馆员
用户评价订阅访问资源图书馆顾问委员会常见问题
研究
JoVE JournalMethods CollectionsJoVE Encyclopedia of Experiments存档
教育
JoVE CoreJoVE BusinessJoVE Science EducationJoVE Lab Manual教师资源中心教师网站
使用条款与条件
隐私政策
政策

相关概念视频

Pulmonary Function Tests01:25

Pulmonary Function Tests

345
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...
345
Respiratory Volumes01:15

Respiratory Volumes

1.5K
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...
1.5K
Lung Capacity01:47

Lung Capacity

50.4K
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.
50.4K
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
Respiratory Capacities01:24

Respiratory Capacities

818
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...
818
Pulmonary Ventilation: Inhalation01:24

Pulmonary Ventilation: Inhalation

3.8K
Pulmonary ventilation is a vital process that ensures the exchange of oxygen and carbon dioxide in the lungs. It refers to the movement of air into and out of the lungs, enabling the body to obtain oxygen and remove waste carbon dioxide. In this article, we will explore the intricacies of pulmonary ventilation, including its underlying principles, mechanisms, and the interplay of pressures within the respiratory system.
Boyle's law becomes particularly pertinent when examining respiratory...
3.8K

您也可能阅读

相关文章

通过共同作者、期刊和引用图与本文相关的文章。

排序
Same author

Central Sleep Apnea: Adaptive Servo-Ventilation, Intelligent Volume-Assured Pressure Support, and Hypoventilation.

Chest·2022
Same author

Antifungal Prophylaxis.

Annals of the American Thoracic Society·2021
Same author

Cardiovascular and somatic comorbidities and sleep measures using three hypopnea criteria in mild obstructive sleep-disordered breathing: sex, age, and body mass index differences in a retrospective sleep clinic cohort.

Journal of clinical sleep medicine : JCSM : official publication of the American Academy of Sleep Medicine·2020
Same author

Flow limitation/obstruction with recovery breath (FLOW) event for improved scoring of mild obstructive sleep apnea without electroencephalography.

Sleep medicine·2018
Same author

When will it be time? Evaluation of OSA in stroke and TIA patients.

Sleep medicine·2018
Same author

Treatment of sleep-disordered breathing with positive airway pressure devices: technology update.

Medical devices (Auckland, N.Z.)·2015
Same journal

Marked Improvement in Pulmonary Arterial Hypertension in 3 Patients with a History of Amphetamine-like Drug use and Comorbidities.

The open respiratory medicine journal·2026
Same journal

Sarcoidosis and Obstructive Sleep Apnoea: An Intriguing Relationship.

The open respiratory medicine journal·2026
Same journal

Assessing Sleep and Mental Health Disorders in COPD Patients During Severe Exacerbations.

The open respiratory medicine journal·2026
Same journal

Rickets, Vitamin D Deficiency and Tuberculosis in Children of St. Petersburg and its Region.

The open respiratory medicine journal·2026
Same journal

Ventilation-perfusion Scan: A Functional Imaging Approach to Regional Lung Disease in Primary Ciliary Dyskinesia.

The open respiratory medicine journal·2026
Same journal

A New Preview of Antibiotic-resistant Spectrum in Community-acquired Pneumonia: A Cross-Sectional Study from Iraq.

The open respiratory medicine journal·2026
查看所有相关文章

相关实验视频

Updated: Jul 12, 2025

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

5.6K

螺旋计参考方程包括现有和新参数.

Douglas Clark Johnson1, Bradford Gardner Johnson2

  • 1Department of Medicine, Baystate Medical Center 759 Chestnut Street Springfield, MA 01199, USA.

The open respiratory medicine journal
|November 2, 2023
PubMed
概括
此摘要是机器生成的。

新的螺旋计参考方程可以更准确地评估肺功能. 这些方程结合了种族和年龄等因素,改善了对不同人群的肺功能测试的解释.

关键词:
强迫生命能力强迫生命能力.间歇性肺病 间歇性肺病峰值呼气流量 峰值呼气流量肺功能测试试验 肺功能测试试验引用方程的参考方程螺旋测量是一种螺旋测量.

更多相关视频

Conducting Respiratory Oscillometry in an Outpatient Setting
14:49

Conducting Respiratory Oscillometry in an Outpatient Setting

Published on: April 8, 2022

7.2K
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

745

相关实验视频

Last Updated: Jul 12, 2025

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

5.6K
Conducting Respiratory Oscillometry in an Outpatient Setting
14:49

Conducting Respiratory Oscillometry in an Outpatient Setting

Published on: April 8, 2022

7.2K
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

745

科学领域:

  • 肺部医学 肺部医学
  • 呼吸系统生理学 呼吸系统生理学
  • 生物统计学 生物统计学

背景情况:

  • 螺旋测量对于肺功能测试至关重要,它依赖于与正常值的比较.
  • 对于诸如FVC,FEV1和FEV1/FVC等螺旋计参数的现有参考方程,缺乏流量循环和正常的上限 (ULN) 的全面描述.

研究的目的:

  • 为螺旋计参数开发新的参考方程,包括平均值,正常的下限 (LLN) 和ULN.
  • 创建能够更全面地描述流量循环的方程.
  • 将这些新的方程与以前发表的方程进行比较.

主要方法:

  • 利用了NHANES III (年龄为8至90岁) 的健康参与者的数据.
  • 根据出生时的性别,年龄,身高和种族 (高加索人,墨西哥裔美国人,黑人) 考虑螺旋计参数的衍生参考方程.
  • 采用代过程来确定%预测的LLN和ULN,并将结果与现有方程进行比较.

主要成果:

  • 开发了用于现有和新型螺旋计参数的平均值,LLN和ULN的参考方程.
  • 衍生方程与以前方程的平均值非常相匹配,但更适合LLN.
  • 对墨西哥裔美国人和高加索裔参与者观察到类似的值,与高加索裔/墨西哥裔美国人相比,在一些参数中,黑人参与者的值较低.

结论:

  • 新的参考方程提供了对螺旋计和流量曲线的更全面和定量评估.
  • 这些方程解释了包括出生性别,年龄,身高和种族在内的关键人口因素.
  • 这些先进的参考标准有助于改进螺旋测量解释.