Search research articles

ABOUT JoVE

Overview Leadership Blog JoVE Help Center

AUTHORS

Publishing Process Editorial Board Scope & Policies Peer Review FAQ Submit

LIBRARIANS

Testimonials Subscriptions Access Resources Library Advisory Board FAQ

RESEARCH

JoVE Journal Methods Collections JoVE Encyclopedia of Experiments Archive

EDUCATION

JoVE Core JoVE Business JoVE Science Education JoVE Lab Manual Faculty Resource Center Faculty Site

Terms & Conditions of Use

Related Concept Videos

Asthma: Pathogenesis and Management

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: Clinical Manifestations

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 Classification

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 I: Introduction

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: Introduction

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: Symptoms and Complications

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

You might also read

Related Articles

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

Sort by

Same author

Provider compliance with guidelines for management of cardiovascular risk in HIV-infected patients.

Preventing chronic disease·2013

Same author

Low CD4+ T cell count is a risk factor for cardiovascular disease events in the HIV outpatient study.

Clinical infectious diseases : an official publication of the Infectious Diseases Society of America·2010

See all related articles

Search research articles

Related Experiment Video

Updated: May 15, 2026

Bronchial Thermoplasty: A Novel Therapeutic Approach to Severe Asthma

Bronchial Thermoplasty: A Novel Therapeutic Approach to Severe Asthma

Published on: November 4, 2010

Cardiac asthma.

¹Division of Cardiology, Department of Medicine, National Jewish Health, 1400 Jackson Street, Denver, CO 80206, USA. bucknerk@njhealth.org

Immunology and Allergy Clinics of North America

|January 23, 2013

Summary

This summary is machine-generated.

Cardiac dyspnea, often mistaken for asthma, stems from heart failure causing pulmonary edema. Differentiating it from bronchospasm is crucial for accurate diagnosis and treatment.

Related Experiment Videos

Last Updated: May 15, 2026

Bronchial Thermoplasty: A Novel Therapeutic Approach to Severe Asthma

Bronchial Thermoplasty: A Novel Therapeutic Approach to Severe Asthma

Published on: November 4, 2010

Area of Science:

Cardiology
Pulmonology
Internal Medicine

Background:

Exercise-induced dyspnea can be misdiagnosed as asthma or exercise-induced bronchospasm.
Cardiac dyspnea results from pulmonary edema due to pulmonary venous hypertension, not airway constriction.

Purpose of the Study:

To differentiate cardiac dyspnea from asthma and exercise-induced bronchospasm.
To highlight the underlying cause of cardiac dyspnea in heart failure.

Main Methods:

Clinical history review.
Physical examination findings.
Analysis of laboratory and imaging data.

Main Results:

Cardiac dyspnea is caused by pulmonary edema, not bronchoconstriction.
Acute congestive heart failure diagnosis is feasible through clinical assessment and data review.

Conclusions:

Distinguishing cardiac dyspnea from asthma is essential for appropriate patient management.
Early identification of congestive heart failure is key in cases presenting with dyspnea.