Airway management

Airway management

A Glidescope used for intubation

Airway management is a set of medical procedures performed to prevent and relieve airway obstruction. It ensures an open pathway for gas exchange between a patient's lungs and the atmosphere. Airway management is a critical skill in anesthesia, emergency medicine, intensive care, and first aid.

Techniques

Airway management techniques can be broadly categorized into non-invasive and invasive methods.

Non-invasive techniques

Non-invasive techniques are often the first line of intervention and include:

• Heimlich maneuver: A first aid procedure used to treat upper airway obstructions (or choking) by foreign objects. It involves a series of abdominal thrusts to expel the object.

Performing the Heimlich maneuver

Diagram of the Heimlich maneuver

• Jaw-thrust maneuver: A technique used to open the airway by displacing the jaw forward without tilting the head. It is particularly useful in patients with suspected cervical spine injuries.

Jaw-thrust maneuver

• Recovery position: A position used to maintain a clear airway in unconscious but breathing individuals. It involves placing the patient on their side with the head tilted back.

Recovery position

• Oropharyngeal airway: A device inserted into the mouth to prevent the tongue from obstructing the airway.

Oropharyngeal airways

Invasive techniques

Invasive techniques are used when non-invasive methods are insufficient:

• Endotracheal intubation: The placement of a tube into the trachea to maintain an open airway. It is often performed using a laryngoscope or a Glidescope.

Endotracheal tube

• Tracheostomy: A surgical procedure to create an opening in the neck to place a tube directly into the trachea.

Tracheostomy tube

Anatomy of the airway

Understanding the anatomy of the airway is crucial for effective management. The airway is divided into the upper and lower airways.

Upper airway

The upper airway includes the nasal cavity, oral cavity, pharynx, and larynx. The larynx is a critical structure that houses the vocal cords and is involved in protecting the airway during swallowing.

Anatomy of the larynx

Lower airway

The lower airway consists of the trachea, bronchi, and lungs. The trachea is a tube that connects the larynx to the bronchi, allowing air passage to the lungs.

Complications

Complications in airway management can arise from improper technique or anatomical variations. Common issues include:

• Aspiration
• Hypoxia
• Trauma to the airway structures

Related pages

• Anesthesia
• Emergency medicine
• Intensive care medicine
• First aid

Gallery

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  Diagram showing tongue blocking the airway
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  Catheter introducing forceps