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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 ...
Laryngoscope: used in direct laryngoscopy; video link: Jobson Horne's probe with ring curette: to access or clean the external ear: Tuning forks: for various clinical tests of hearing loss; vibration sense test Pritchard's politzerization apparatus: video link: Aural/Ear syringe: used to flush out anything like ear wax or foreign bodies from ...
Supraglottic airway devices, direct laryngoscopy, indirect video laryngoscopy, and fiberoptic intubation are all techniques which can be used to secure the pediatric airway. In the event that these techniques cannot adequately ventilate the patient, a surgical airway may be required.
The oral cavity and oropharynx are examined under direct vision. The larynx may be examined by indirect laryngoscopy using a small angled mirror with a long handle (akin to a dentist's mirror) and a strong light. Indirect laryngoscopy can be highly effective, but requires skill and practice for consistent results.
A systematic review of 42 studies, with 34,513 participants, found that the modified Mallampati score is a good predictor of difficult direct laryngoscopy and intubation, but poor at predicting difficult bag mask ventilation.
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In 1913, Chevalier Jackson was the first to report a high rate of success for the use of direct laryngoscopy as a means to intubate the trachea. [121] Jackson introduced a new laryngoscope blade that incorporated a component that the operator could slide out to allow room for passage of an endotracheal tube or bronchoscope. [122]