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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: 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

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:

Other Pulmonary Disorders

Other Pulmonary Disorders

Respiratory disorders encompass a range of conditions with varying levels of severity. Asthma, marked by chronic airway inflammation and hypersensitivity, is one such condition. It can lead to airway obstruction due to factors like bronchial spasms, mucosal edema, increased mucus secretion, or epithelial damage. Asthma triggers are diverse, ranging from allergens to emotional upset, and treatment focuses on both immediate relief through bronchodilators and long-term inflammation suppression.

Respiratory System Abnormal Finding II: Palpation and Auscultation

Respiratory System Abnormal Finding II: Palpation and Auscultation

In assessing respiratory abnormalities, palpation and auscultation are critical tools for detecting and interpreting various pathophysiological changes. These techniques provide insight into underlying disorders by evaluating tactile sensations and sounds produced by the respiratory system.
Palpation Findings
During a respiratory assessment, palpation can reveal several vital abnormalities:

Pulmonary Cycle: Exhalation

Pulmonary Cycle: Exhalation

In terms of human respiration, the act of expelling air, known as exhalation (or expiration), operates on the principle of pressure gradients. During expiration, the pressure within the lungs exceeds that of the surrounding atmosphere. Under normal conditions, quiet breathing involves passive exhalation and is free of muscular contractions. This is because the exhalation process is driven by the natural elastic recoil of the lungs and chest wall, both of which have an inherent tendency to...

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Related Experiment Video

Updated: Dec 3, 2025

Author Spotlight: Efficacy of Auricular Pressure Bean Therapy in Reducing Wheezing Symptoms

Author Spotlight: Efficacy of Auricular Pressure Bean Therapy in Reducing Wheezing Symptoms

Published on: May 10, 2024

A malignant wheeze!

Kashyap Goyal¹, Subodh Kumar², Mayank Mishra³

¹AIIMS Rishikesh, Department of Pulmonary Medicine. drkashyapgoyal31@gmail.com.

Monaldi Archives for Chest Disease = Archivio Monaldi Per Le Malattie Del Torace

|October 29, 2020

Summary

This summary is machine-generated.

Not all wheezing indicates asthma. This case report highlights a tracheal tumor misdiagnosed as asthma, emphasizing the need for considering alternative diagnoses in persistent wheeze cases unresponsive to standard asthma therapy.

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Area of Science:

Pulmonology
Oncology
Diagnostic Imaging

Background:

Asthma is a prevalent respiratory condition with non-specific symptoms.
Symptoms of asthma, such as wheezing, can mimic other serious conditions.
Tracheal tumors are frequently misdiagnosed as asthma due to overlapping symptoms.

Purpose of the Study:

To report a case of tracheal tumor initially misdiagnosed as asthma.
To emphasize the importance of considering differential diagnoses for persistent wheezing.
To highlight that wheezing is not pathognomonic for asthma.

Main Methods:

Case report of a 38-year-old female patient.
Clinical evaluation for persistent wheeze.
Diagnostic workup to identify the underlying cause of respiratory symptoms.

Main Results:

The patient's persistent wheeze was initially presumed to be asthma.
Subsequent investigations revealed a tracheal tumor as the cause of the symptoms.
The patient's condition did not respond to standard asthma treatments.

Conclusions:

A high index of suspicion for alternative diagnoses is crucial in patients presenting with asthma-like symptoms.
Persistent wheezing unresponsive to therapy warrants a thorough investigation for other pathologies.
Tracheal tumors can present insidiously, mimicking common respiratory diseases like asthma.