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Related Concept Videos

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Assessment of Airway, Skin Color, and Use of Accessory Muscles

A thorough assessment of respiratory health is paramount in clinical settings to identify and manage respiratory distress and ensure adequate oxygenation. This article elaborates on the critical aspects of respiratory evaluation, including airway assessment, skin color examination, and the observation of accessory muscle use, which are integral to effectively diagnosing and managing patients with respiratory conditions.
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The initial evaluation of a patient's respiratory system...
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Physical Assessment of the Respiratory Tract IV: Auscultation

Auscultation is a crucial component of the physical assessment of the respiratory tract. It offers valuable insights into airflow through the bronchial tree and potential lung obstructions. This process involves careful listening to breath, voice, and adventitious sounds, which can reveal a wealth of information about a patient's respiratory health.
Breath Sounds
Breath sounds are categorized into vesicular, bronchovesicular, and bronchial.
Respiratory System Abnormal Finding I: Inspection and Percussion01:30

Respiratory System Abnormal Finding I: Inspection and Percussion

Respiratory system abnormalities are a significant concern in healthcare due to their potential to indicate underlying severe conditions like Chronic Obstructive Pulmonary Disease (COPD), asthma, and pneumonia. These abnormalities can often be detected through physical examination methods like inspection and percussion.
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Asthma-III: Symptoms and Complications01:24

Asthma-III: Symptoms and Complications

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Related Experiment Video

Updated: May 25, 2026

A Reversible, Non-invasive Method for Airway Resistance Measurements and Bronchoalveolar Lavage Fluid Sampling in Mice
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Published on: April 13, 2010

Wheezing and stridor.

H M Hollingsworth

    Clinics in Chest Medicine
    |June 1, 1987
    PubMed
    Summary

    Wheezing and stridor are abnormal lung sounds indicating airway narrowing. A broad differential diagnosis is crucial for identifying the underlying cause of airway obstruction.

    Area of Science:

    • Pulmonology
    • Internal Medicine
    • Pathophysiology

    Background:

    • Wheezes are continuous, high-pitched adventitious lung sounds caused by narrowed airways.
    • Asthma is the most common cause, but diverse conditions can lead to wheezing.

    Purpose of the Study:

    • To define wheezes and stridor.
    • To outline the various causes of airway obstruction leading to these sounds.
    • To emphasize the importance of a comprehensive differential diagnosis.

    Main Methods:

    • Clinical definition and description of lung sounds.
    • Categorization of causes for airway obstruction.
    • Review of pathological mechanisms.

    Main Results:

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    Last Updated: May 25, 2026

    A Reversible, Non-invasive Method for Airway Resistance Measurements and Bronchoalveolar Lavage Fluid Sampling in Mice
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    Published on: April 13, 2010

    Endotracheal Intubation in Mice via Direct Laryngoscopy Using an Otoscope
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  • Wheezes result from oscillating, narrowed airway walls.
  • Airway obstruction causes include edema, smooth muscle constriction, secretions, congestion, masses, scarring, and foreign bodies.
  • Stridor is a high-pitched wheeze indicating tracheal or laryngeal obstruction.

    • Conclusions:

    • Wheezing and stridor signify airway narrowing from various etiologies.
    • A thorough differential diagnosis is essential for accurate patient management.
    • Understanding the pathophysiology aids in identifying the cause of obstruction.