Which method can enhance visibility during laryngoscopy?

Applying external laryngeal manipulation during laryngoscopy can significantly enhance visibility. This technique involves guiding the larynx into a more favorable position, often improving the direct line of sight to the vocal cords. By gently pressing on the thyroid cartilage or manipulating the position of the larynx, the operator can open up the space and clear any obstructions that might impair visualization.

In contrast, while other methods may have their benefits, they do not specifically target the alignment of the airway structures in the same way external manipulation does. For instance, using a larger laryngoscope blade might provide more surface area but could also increase the risk of trauma or further complicate the maneuver. Altering the patient's head position, such as tilting forward, may not consistently improve visibility, as the anatomical variances in patients can result in decreased alignment. Increasing the light intensity of the laryngoscope may help illuminate the area, but if the view is obstructed due to anatomical positioning, simply increasing light will not resolve these visual barriers. Thus, external laryngeal manipulation is a targeted approach focused on improving the laryngoscopic view effectively.