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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: 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.
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

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Related Experiment Video

Updated: May 23, 2026

Immunofluorescent Labeling in Nasal Mucosa Tissue Sections of Allergic Rhinitis Rats via Multicolor Immunoassay
06:08

Immunofluorescent Labeling in Nasal Mucosa Tissue Sections of Allergic Rhinitis Rats via Multicolor Immunoassay

Published on: September 22, 2023

[Occupational rhinitis and asthma].

K Scherer Hofmeier1, A Bircher, M Tamm

  • 1Dermatologische Klinik, Allergologische Poliklinik, Universitätsspital Basel. schererk@uhbs.ch

Therapeutische Umschau. Revue Therapeutique
|April 6, 2012
PubMed
Summary
This summary is machine-generated.

Occupational asthma and allergic rhinoconjunctivitis affect many. Identifying and preventing workplace exposures, like dusts or chemicals, is key to managing these respiratory conditions.

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Area of Science:

  • Allergy and Immunology
  • Occupational Medicine
  • Pulmonology

Context:

  • Allergic rhinoconjunctivitis and asthma are prevalent conditions.
  • Approximately 10% of asthma cases stem from occupational exposures, via allergic or non-immunologic pathways.
  • Occupational rhinitis frequently precedes the onset of occupational asthma.

Purpose:

  • To review the causes, diagnosis, and prevention of occupational respiratory diseases.
  • To highlight the importance of early detection and protective measures.

Summary:

  • Common occupational allergens and irritants include flours, plant/enzyme powders, animals, latex, isocyanates, epoxy resins, acrylates, formaldehyde, and welding fumes.
  • Primary and secondary preventive strategies are crucial for mitigating these conditions.
  • Prompt diagnosis and implementation of protective measures significantly influence the prognosis.

Impact:

  • Emphasizes the need for vigilance in identifying workplace triggers for respiratory ailments.
  • Underscores the role of prevention in reducing the burden of occupational asthma and related conditions.
  • Highlights the importance of early intervention for better patient outcomes in occupational respiratory disease.