Nasopharyngeal airway
Nasopharyngeal airway is a type of airway adjunct, a tube that is designed to be inserted into the nasal passageway to secure an open airway. When a patient becomes unconscious, the muscles in the jaw commonly relax and can allow the tongue to slide back and obstruct the airway. The purpose of a nasopharyngeal airway is to secure the airway open, to ensure that air can pass freely to the lungs.
Indications[edit | edit source]
The nasopharyngeal airway is used in situations where the oropharyngeal airway would be inappropriate, such as when the patient is semi-conscious or is making respiratory effort. It is also used when the mouth is not available for intubation, such as in case of facial trauma.
Contraindications[edit | edit source]
The nasopharyngeal airway is contraindicated in patients with severe head injury with a suspected base of skull fracture, as it may potentially pass into the cranial cavity.
Procedure[edit | edit source]
The correct size nasopharyngeal airway is chosen by measuring the device on the patient: the device should reach from the patient's nostril to the earlobe or the angle of the jaw. The outside of the tube is lubricated with a water-based lubricant so that it enters the nose more easily.
Complications[edit | edit source]
Possible complications include nosebleeds, infection, and trauma to the nasal passageway. There may also be discomfort or pain, especially if the device is used for more than a few hours.
See also[edit | edit source]
Nasopharyngeal airway Resources | ||
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