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Related Concept Videos

Chronic Obstructive Pulmonary Disease III: Chronic Bronchitis Features01:24

Chronic Obstructive Pulmonary Disease III: Chronic Bronchitis Features

Chronic bronchitis is a key phenotype of chronic obstructive pulmonary disease (COPD), characterized by airway-centered inflammation and mucus overproduction. It develops from long-term exposure to harmful particles or gases, most commonly cigarette smoke, which triggers a persistent inflammatory response.Cellular and Structural ChangesInflammation initially affects the large bronchi and later the smaller airways, with infiltration by immune cells, including neutrophils, macrophages, and...
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-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 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.

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Bronchial Thermoplasty: A Novel Therapeutic Approach to Severe Asthma
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Bronchial Thermoplasty: A Novel Therapeutic Approach to Severe Asthma

Published on: November 4, 2010

[Exercise-induced bronchoconstriction].

Katarzyna Hildebrand1

  • 1Katedra i Klinika Chorób Wewnętrznych, Pneumonologii i Alergologii Warszawskiego Uniwersytetu Medycznego. katarzyna.hildebrand@wum.edu.pl

Pneumonologia I Alergologia Polska
|December 31, 2010
PubMed
Summary

Exercise-induced bronchoconstriction (EIB) affects athletes and the general population. Diagnosis involves a 10% decrease in FEV1 post-exercise, with various tests and treatments available.

Area of Science:

  • Pulmonology
  • Sports Medicine
  • Allergy and Immunology

Context:

  • Exercise-induced bronchoconstriction (EIB) is a condition characterized by airway narrowing after strenuous physical activity.
  • Prevalence varies, impacting 12-15% of the general population and up to 70% of winter athletes.
  • Understanding EIB is crucial for athletes and individuals experiencing respiratory symptoms during exercise.

Purpose:

  • To define exercise-induced asthma (EIA) or bronchoconstriction (EIB) and its diagnostic criteria.
  • To review the prevalence, underlying theories (thermal and osmotic), and differential diagnoses of EIB.
  • To outline current diagnostic guidelines and emerging laboratory tests for EIB assessment.

Summary:

  • EIB diagnosis requires a ≥10% decrease in FEV1 post-exercise.

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Evaluation of Respiratory System Mechanics in Mice using the Forced Oscillation Technique
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Last Updated: Jun 5, 2026

Bronchial Thermoplasty: A Novel Therapeutic Approach to Severe Asthma
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Published on: November 4, 2010

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  • Key diagnostic methods include standardized exercise challenges and indirect stimuli tests like eucapnic voluntary hyperpnea (EVH) and exhaled nitric oxide (FENO).
  • Management strategies encompass pharmacologic and non-pharmacologic approaches, including pre-exercise medication and optimizing underlying asthma control.

    • Impact:

    • Accurate diagnosis and management of EIB can significantly improve quality of life and athletic performance.
    • This information aids clinicians in differentiating EIB from other conditions and implementing effective treatment plans.
    • Further research into EIB mechanisms and novel therapies can enhance patient outcomes.