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Nasopharyngeal airway

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contraindicated in patients with severe head or facial injuries, or have evidence of a basilar skull fracture (Battle's sign, raccoon eyes, cerebrospinal fluid/blood from ears, etc.)

due to the possibility of direct intrusion upon brain tissue. An oropharyngeal airway may be used instead, but these devices frequently trigger a patient's gag reflex, while nasopharyngeal airways usually do not.

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