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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...
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 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,...
Antiasthma Drugs: β2-Adrenoceptor Agonists01:25

Antiasthma Drugs: β2-Adrenoceptor Agonists

Bronchodilators are critical in managing asthma, a chronic respiratory condition characterized by airway constriction due to inflammation and hyper-reactivity. Specifically, bronchodilators ease this constriction by relaxing the bronchial muscles, facilitating easier breathing.
One class of bronchodilators includes β2-adrenoceptor agonists. These agents target the β2-adrenoceptors located on bronchial smooth muscle cells. By stimulating these receptors, β2-agonists induce relaxation in these...
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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The impact of electronic medical records on timeliness of diagnosis of asthma.

The Journal of asthma : official journal of the Association for the Care of Asthma·2007
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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 bronchospasm.

Marc A Molis1, Whitney E Molis

  • 1Sports Medicine of Iowa, Iowa Health-Des Moines, Urbandale, Iowa.

Sports Health
|September 28, 2012
PubMed
Summary

Exercise-induced bronchospasm (EIB) is common in athletes, particularly in cold-weather and indoor sports. While distinct from exercise-induced asthma (EIA), differentiating EIB and EIA remains challenging, impacting optimal diagnosis and treatment strategies.

Area of Science:

  • Sports Medicine
  • Pulmonology
  • Exercise Physiology

Background:

  • Exercise-induced bronchospasm (EIB) involves airway narrowing during or after physical exertion.
  • EIB is prevalent in cold-weather and indoor sports, affecting athletes across various disciplines.
  • Distinguishing EIB from exercise-induced asthma (EIA) is crucial as treatments differ, yet terms are often used interchangeably.

Purpose of the Study:

  • To review current literature on exercise-induced bronchospasm (EIB) in athletes.
  • To highlight the prevalence and risk factors associated with EIB in athletic populations.
  • To discuss diagnostic challenges and treatment approaches for EIB.

Main Methods:

  • Literature search of PubMed, Medline, and Google from 2000-2010.
Keywords:
diagnosisexercise-induced asthmaexercise-induced bronchospasm

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Evaluation of Respiratory System Mechanics in Mice using the Forced Oscillation Technique
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Bronchial Thermoplasty: A Novel Therapeutic Approach to Severe Asthma
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Evaluation of Respiratory System Mechanics in Mice using the Forced Oscillation Technique
13:10

Evaluation of Respiratory System Mechanics in Mice using the Forced Oscillation Technique

Published on: May 15, 2013

  • Keywords included 'exercise-induced asthma,' 'exercise-induced bronchospasm,' 'asthma and athlete,' and 'asthma and sport.'
  • Emphasis placed on recent literature (last 3-4 years) to capture current findings.

    • Main Results:

    • EIB is frequently observed in elite athletes, with specific sports posing higher risks.
    • The distinction between EIB and EIA is not consistently applied in current literature, leading to diagnostic and treatment ambiguity.
    • Symptoms alone may not reliably indicate EIB, underscoring the need for diagnostic testing.

    Conclusions:

    • Diagnostic testing is recommended for EIB when feasible due to poor symptom-test correlation.
    • Short-acting β-adrenergic agonists remain the primary treatment for EIB.
    • Further clarity in differentiating EIB from EIA is needed for optimized athlete care.