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

Asthma-I: Introduction01:29

Asthma-I: Introduction

Asthma is a chronic respiratory ailment that requires careful management due to its varying symptoms and influencing factors. It is characterized by airway inflammation, bronchial hyperresponsiveness, and reversible airflow obstruction, leading to symptoms like wheezing, shortness of breath, chest tightness, and coughing. The symptom frequency and intensity may vary considerably over time. It is also linked to immune system responses to allergens and irritants, highlighting the complex...
Asthma I: Introduction01:28

Asthma I: Introduction

Asthma is a chronic inflammatory disorder of the airways characterized by variable airflow obstruction and heightened bronchial responsiveness to a wide range of triggers. The underlying inflammation leads to airway swelling, mucus hypersecretion, and smooth muscle constriction, all of which narrow the airway lumen and impede airflow. Clinically, asthma presents with recurrent episodes of wheezing, shortness of breath, chest tightness, and coughing, symptoms that typically vary in intensity and...
Asthma III: Clinical Manifestations01:13

Asthma III: Clinical Manifestations

Asthma presents with a characteristic pattern of episodic respiratory symptoms that reflect underlying airway inflammation, bronchoconstriction, and mucus hypersecretion. Although severity varies among individuals, certain clinical manifestations are considered hallmarks of the disorder and often guide diagnosis and assessment.Respiratory SymptomsA persistent cough is one of the most common early features of asthma. It is frequently dry and tends to worsen at night or in the early morning,...
Asthma-II: Pathophysiology and Classification01:26

Asthma-II: Pathophysiology and Classification

Asthma is a prevalent chronic respiratory condition marked by inflammation and hyperresponsiveness of the airways. Its pathophysiology involves complex interactions among inflammatory pathways, immune responses, and neural mechanisms.
Additionally, environmental and genetic factors play crucial roles in determining an individual's susceptibility to asthma and the severity of their condition.
Critical processes in asthma pathophysiology include:
Asthma-III: Symptoms and Complications01:24

Asthma-III: Symptoms and Complications

Asthma, a common chronic respiratory condition, is classified considering the frequency and severity of symptoms alongside lung function impairment. Understanding this classification is essential for appropriate treatment and management. Here's a detailed look at the classification of asthma and its clinical features and complications:
Classification of Asthma
Asthma: Pathogenesis and Management01:20

Asthma: Pathogenesis and Management

Asthma is a chronic pulmonary condition involving inflammation of the airways, hyper-reactivity, and reversible obstruction of the airways. This condition can significantly impact a person's quality of life, making breathing difficult and leading to distressing symptoms.
Asthma is classified as allergic and non-allergic. Allergens such as dust mites, pollen, and pet dander trigger allergic asthma, while factors like cold air, intense emotions, or exercise can induce non-allergic asthma.

You might also read

Related Articles

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

Sort by
Same author

A Practical Clinical Model for Diagnosing Occupational Asthma in Workers Exposed to Low-Molecular-Weight Agents: Model Development and Validation.

The journal of allergy and clinical immunology. In practice·2026
Same author

Early Detection of Asthma: Exploring Inflammatory Biomarkers in Symptomatic Adults with Normal Spirometry.

Journal of asthma and allergy·2025
Same author

Patient Factors and Clinical Efficacy of Early Identification and Treatment of Chronic Obstructive Pulmonary Disease and Asthma.

American journal of respiratory and critical care medicine·2025
Same author

Cough in Adults with Undiagnosed Respiratory Symptoms.

Annals of the American Thoracic Society·2025
Same author

Response to IL-5/IL-5R Antagonists and Remission Rate in Patients With Severe Asthma Who Would Have Been Excluded From the Pivotal Clinical Trials.

The journal of allergy and clinical immunology. In practice·2025
Same author

Evaluation and Application of the Work-Related Asthma Screening Questionnaire-Long Version (WRASQ[L]).

The journal of allergy and clinical immunology. In practice·2024

Related Experiment Video

Updated: Jun 13, 2026

Conducting Respiratory Oscillometry in an Outpatient Setting
14:49

Conducting Respiratory Oscillometry in an Outpatient Setting

Published on: April 8, 2022

Occupational and work-exacerbated asthma: similarities and differences.

Catherine Lemiere1

  • 1Sacré-Coeur Hospital, Department of Chest Medicine, 5400 West Gouin, Montreal, Quebec, H4J 1C5, Canada. catherine.lemiere@umontreal.ca

Expert Review of Respiratory Medicine
|May 19, 2010
PubMed
Summary

Occupational asthma (OA) and work-exacerbated asthma (WEA) are common. While OA is often caused by sensitizing agents, WEA may be linked to irritants, though more research is needed.

Related Experiment Videos

Last Updated: Jun 13, 2026

Conducting Respiratory Oscillometry in an Outpatient Setting
14:49

Conducting Respiratory Oscillometry in an Outpatient Setting

Published on: April 8, 2022

Area of Science:

  • Occupational Medicine
  • Pulmonology
  • Environmental Health

Background:

  • Occupational asthma (OA) understanding has advanced, but work-exacerbated asthma (WEA) remains less studied.
  • Both OA and WEA are prevalent respiratory conditions affecting workers.

Purpose of the Study:

  • To compare the prevalence, clinical, and inflammatory characteristics of OA and WEA.
  • To analyze the work environments associated with OA and WEA.
  • To identify gaps in current knowledge regarding WEA.

Main Methods:

  • A literature review was conducted using PubMed up to September 2006.
  • Keywords included 'work-related asthma', 'WEA', 'work-aggravated asthma', and 'OA'.
  • Only English-language studies were included.

Main Results:

  • OA and WEA are prevalent, with varying subject characteristics based on study type.
  • Sensitizing agents are linked to OA, while irritant exposures may be associated with WEA.
  • Inflammatory profiles may differ, but data are limited and contradictory; socioeconomic outcomes appear similar.

Conclusions:

  • Further research is essential to understand WEA prevalence, clinical, functional, and inflammatory aspects.
  • Improved management strategies for workers with WEA are needed.
  • Distinguishing between OA and WEA requires more robust evidence.