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Airway Management

Airway Adjuncts



  • Airway adjuncts are used to relieve upper airway obstruction.

Oropharyngeal Airway

  • An oropharyngeal airway is also known as a Guedel airway.
    • Sizing an Oropharyngeal Airway

    • Measure the airway from the angle of the mandible to the maxillary incisors.
    • How to Insert

    • Use suction to ensure that the mouth is clear of secretions
    • Angle the airway superiorly, toward the palate
    • Insert the airway into the oral cavity
    • Once the airway reaches the oropharynx, rotate it 180 degrees toward the larynx
    • Contraindications

    • Conscious patients
    • If the patient can cough or has a gag reflex

Nasopharyngeal Airway

    • Sizing a Nasopharyngeal Airway

    • Measure the airway from the tip of the earlobe to the nostril.
    • How to Insert

    • Point the bevel of the airway toward the midline
    • Insert the airway backward into the nasal cavity, until the flange reaches the nostril.
  • Lubricant may be used to facilitate insertion of a nasopharyngeal airway.
    • Contraindications

    • Suspected nasal / base of skull fracture
    • Active bleeding from the nose
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