Airway obstruction

Airway obstruction

Diagram of the upper respiratory tract

Airway obstruction refers to any blockage in the respiratory tract that impedes the flow of air into or out of the lungs. This condition can be acute or chronic and can occur at any level of the airway, from the nose and mouth to the trachea and bronchi.

Causes

Airway obstruction can be caused by a variety of factors, including:

• Foreign body aspiration
• Allergic reactions
• Infections such as croup or epiglottitis
• Tumors
• Chronic obstructive pulmonary disease (COPD)
• Asthma

Symptoms

The symptoms of airway obstruction can vary depending on the location and severity of the blockage. Common symptoms include:

• Dyspnea (difficulty breathing)
• Stridor (a high-pitched wheezing sound)
• Cough
• Cyanosis (bluish discoloration of the skin)
• Tachypnea (rapid breathing)

Diagnosis

Diagnosis of airway obstruction typically involves a combination of clinical evaluation and diagnostic tests. These may include:

• Physical examination
• Chest X-ray
• CT scan
• Bronchoscopy

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Diagram showing a bronchoscopy procedure

Treatment

The treatment of airway obstruction depends on the underlying cause and severity of the obstruction. Common treatments include:

• Heimlich maneuver for foreign body removal
• Medications such as bronchodilators and corticosteroids
• Surgery to remove tumors or other obstructions
• Tracheostomy in severe cases

Prevention

Preventive measures for airway obstruction include:

• Avoiding known allergens
• Smoking cessation to prevent COPD
• Vaccination against respiratory infections

Related pages

• Respiratory system
• Chronic obstructive pulmonary disease
• Asthma
• Tracheostomy

Gallery

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  Diagram illustrating COPD, a common cause of chronic airway obstruction

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  Upper respiratory tract
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  Diagram showing a bronchoscopy
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  COPD 2010