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A laryngeal mask airway is generally not used in surgeries where there is a high risk that stomach contents may be aspirated. This is particularly for surgeries that last longer than 2 hours. It often uses low inflation pressures, so may not be appropriate in patients with illnesses that cause low lung compliance .
The laryngeal tube (also known as the King LT) [1] is an airway management device designed as an alternative to other airway management techniques such as mask ventilation, laryngeal mask airway, and tracheal intubation.
Laryngeal mask airway (LMA). Example of a supraglottic device. Management of the airway in the emergency department is optimal given the presence of trained personnel from multiple specialties, as well as access to "difficult airway equipment" (videolaryngoscopy, eschmann tracheal tube introducer, fiberoptic bronchoscopy, surgical methods, etc ...
The oropharyngeal airway was designed by Arthur Guedel. [2]Oropharyngeal airways come in a variety of sizes, from infant to adult, and are used commonly in pre-hospital emergency care and for short term airway management post anaesthetic or when manual methods are inadequate to maintain an open airway.
This is followed by attempting bag mask ventilation then by placing a supraglotic airway, usually a laryngeal mask airway. If ventilation is still inadequate, it is recommended to consider an emergency invasive airway such as a surgical airway, rigid bronchoscopy, or extracorporeal membrane oxygenation (ECMO). Invasive airways should be ...
Tracheal intubation, usually simply referred to as intubation, is the placement of a flexible plastic tube into the trachea (windpipe) to maintain an open airway or to serve as a conduit through which to administer certain drugs.
Anatomical parts seen during laryngoscopy. Direct laryngoscopy is carried out (usually) with the patient lying on their back; the laryngoscope is inserted into the mouth on the right side and flipped to the left to trap and move the tongue out of the line of sight, and, depending on the type of blade used, inserted either anterior or posterior to the epiglottis and then lifted with an upwards ...
The epiglottis may be active, contacting the pharynx, or passive, being contacted by the aryepiglottal folds. Distinctions made in these laryngeal areas are very difficult to observe and are the subject of ongoing investigation, and several still-unidentified combinations are thought possible. The glottis acts upon itself.