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Related Concept Videos

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-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
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: 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-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...

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Related Experiment Video

Updated: Jun 4, 2026

Asthma Detection Research Based on Voice Signal Processing and Machine Learning
04:04

Asthma Detection Research Based on Voice Signal Processing and Machine Learning

Published on: July 22, 2025

Vocal cord dysfunction and asthma.

Cathy Benninger1, Jonathan P Parsons, John G Mastronarde

  • 1Division of Pulmonary, Allergy, Critical Care, and Sleep Medicine, The Ohio State University Medical Center, Columbus, Ohio, USA.

Current Opinion in Pulmonary Medicine
|February 19, 2011
PubMed
Summary
This summary is machine-generated.

Vocal cord dysfunction (VCD) often mimics asthma, leading to misdiagnosis and increased medication. Early identification and laryngeal control therapy are crucial for managing VCD in asthma patients.

Related Experiment Videos

Last Updated: Jun 4, 2026

Asthma Detection Research Based on Voice Signal Processing and Machine Learning
04:04

Asthma Detection Research Based on Voice Signal Processing and Machine Learning

Published on: July 22, 2025

Area of Science:

  • Laryngology
  • Pulmonology
  • Speech-Language Pathology

Background:

  • Vocal cord dysfunction (VCD) frequently co-exists with asthma, presenting similar symptoms and posing diagnostic challenges.
  • Under-recognition of VCD can lead to inappropriate asthma medication adjustments and increased patient morbidity.

Purpose of the Study:

  • To review current literature on the presentation, diagnosis, and treatment of vocal cord dysfunction.
  • To explore the multifactorial causes and triggers of VCD, including laryngeal hyper-responsiveness.
  • To identify gaps in the understanding and management of VCD, particularly in patients with co-existing asthma.

Main Methods:

  • Literature review of current theories regarding VCD presentation, diagnosis, and treatment.
  • Examination of diagnostic techniques, including provocative testing and videolaryngostroboscopy.
  • Assessment of laryngeal control techniques as a treatment modality.

Main Results:

  • VCD and asthma patients report increased symptoms on asthma control questionnaires, potentially leading to over-medication.
  • Videolaryngostroboscopy is the preferred diagnostic method, though evidence-based guidelines are lacking.
  • Laryngeal control therapy, while common and supported by case reports, requires more robust randomized trial data for efficacy validation.

Conclusions:

  • Clinicians must maintain a high index of suspicion for VCD in patients with asthma.
  • Standardized diagnostic guidelines and further research into laryngeal control therapy effectiveness are needed.
  • Accurate diagnosis and management of VCD are essential to prevent unnecessary medication use and improve patient outcomes.