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from Section 1 - Nuts and Bolts
Published online by Cambridge University Press: 09 June 2025
An anaesthetist may control the airway through the application of several methods and the use of specific equipment. Primarily, the patient’s position must be optimised to allow for an open airway. An appropriate face mask should be fitted around the patient’s mouth ensuring there are no leaks. In the case of an obstructed upper airway the use of oral or nasal devices, such as a Guedel or nasopharyngeal airway, can allow the obstruction to be bypassed and aid effective oxygenation. Supraglottic airway devices (SADs), such as the laryngeal mask or i-gel, are frequently used to provide oxygenation and ventilation in spontaneously breathing patients and form part of the difficult airway algorithm. A variety of devices and generations are now available which have additional benefits of allowing gastric content suction and the passage of flexible scopes to visualise the airway and aid intubation. The tracheal tube is discussed with all its features and benefits of allowing for a definite and secure airway.
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