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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-IV: Diagnostic and Management01:30

Asthma-IV: Diagnostic and Management

The diagnosis and management of asthma are comprehensive, encompassing clinical assessments, lung function tests, and pharmacological interventions. Here's an overview:
Clinical Assessment for Asthma:
This is the first step in diagnosing and managing asthma. It includes:
Asthma-IV: Nursing Management01:30

Asthma-IV: Nursing Management

The nursing management of asthma is a comprehensive approach that relies heavily on the expertise and dedication of healthcare professionals. It involves thorough assessment, accurate diagnosis, strategic planning, effective implementation, and diligent evaluation. By meticulously following this step-by-step process, healthcare professionals play a crucial role in providing the best possible care and treatment for patients with asthma, enhancing their overall health and well-being.
First, in...
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: 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: Introduction01:28

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...

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Collection and Extraction of Occupational Air Samples for Analysis of Fungal DNA
12:02

Collection and Extraction of Occupational Air Samples for Analysis of Fungal DNA

Published on: May 2, 2018

Defining and investigating occupational asthma: a consensus approach.

H C Francis1, C O Prys-Picard, D Fishwick

  • 1North West Lung Research Centre, Wythenshawe Hospital, Manchester, UK. Helen.C.Francis@manchester.ac.uk

Occupational and Environmental Medicine
|November 30, 2006
PubMed
Summary

This study establishes a consensus definition for occupational asthma and outlines essential resources for specialist clinics. The findings aim to standardize the diagnosis and management of occupational asthma across the UK.

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Area of Science:

  • Pulmonology
  • Occupational Medicine
  • Clinical Consensus

Background:

  • Lack of a universally agreed definition for occupational asthma hinders consistent diagnosis and management.
  • Guidance on essential resources for specialist occupational asthma services is currently insufficient.

Framework:

  • Developed a working definition for occupational asthma, encompassing sensitizer-induced and acute irritant-induced asthma (Reactive Airways Dysfunction Syndrome - RADS).
  • Defined acute irritant-induced asthma as a type of occupational asthma without latency or sensitization, following a single high exposure.
  • Proposed 'work-related asthma' as an umbrella term including occupational asthma, RADS, and aggravation of pre-existing asthma.

Implementation:

  • Utilized a modified RAND appropriateness method with a UK expert panel of clinicians.
  • Achieved consensus on key definitions and a framework of 18 essential resources for specialist services.
  • Resources include spirometry, peak flow monitoring, provocation challenges, and specific IgE testing.

Implications:

  • Aims to improve the uniformity of occupational asthma definition and investigation across the UK.
  • Provides a foundation for standardized care in specialist occupational asthma clinics.
  • Facilitates more consistent diagnosis and management strategies for patients with occupational asthma.