The nasopharyngeal airway (NPA) is a simple airway adjunct used in a number of healthcare disciplines, by staff trained to varying levels of competence in airway management. It has advantages over the oropharyngeal airway (OPA) as it can be used in patients with an intact gag reflex, trismus or oral trauma. Despite this, it is used less frequently than the OPA.1,2 This may be due to fears over intracranial placement in cases of possible basal skull fracture, promulgated in training. The basis for these concerns is revisited. Widely taught methods of sizing NPAs are based upon the width of the patient’s nostril or little finger.3,4 The accuracy of these methods are reviewed in light of recent evidence. We sought a more accurate and rapid method of sizing NPAs…..more

See also oropharyngeal airway