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Related Concept Videos

Asthma-IV: Diagnostic and Management01:30

Asthma-IV: Diagnostic and Management

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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:
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Asthma III: Clinical Manifestations01:13

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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,...
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Methodology for Sputum Induction and Laboratory Processing
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Current clinical diagnostic tests for asthma.

Shiwan Shah1, Gulshan Sharma

  • 1Division of Pulmonary and Critical Care Medicine, University of Texas Medical Branch, 301 University Blvd, JSA 5.112, Galveston, TX, 77555-0561, USA.

Advances in Experimental Medicine and Biology
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PubMed
Summary

Asthma causes variable airflow obstruction, leading to breathing difficulties. Pulmonary function tests help diagnose and monitor these changes by measuring airway resistance and airflow.

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Area of Science:

  • Pulmonary Medicine
  • Respiratory Physiology

Background:

  • Asthma is characterized by variable airflow obstruction affecting both large and small airways.
  • This obstruction results in physiological consequences such as increased airway resistance and reduced expiratory flow rates.

Purpose of the Study:

  • To review current pulmonary function testing methods for asthma.
  • To highlight the role of these tests in detecting physiological changes for diagnosis and monitoring.

Main Methods:

  • Review of established pulmonary function testing techniques.
  • Analysis of how these tests measure airway resistance, expiratory flow rates, air trapping, and dynamic hyperinflation.

Main Results:

  • Pulmonary function tests can detect variable airflow obstruction characteristic of asthma.
  • These tests identify key physiological changes including increased airway resistance and decreased expiratory flow rates.

Conclusions:

  • Pulmonary function testing is crucial for the diagnosis and monitoring of asthma.
  • Understanding these physiological changes aids in managing asthma effectively.