![]() ![]() Operators must be careful that they look in the mouth when inserting a hyperangulated stylet, then carefully observe it coming into view on the monitor. First, it steepens the up angle to the larynx second, it shortens the tube delivery area (distance from blade tip to larynx) and third, it reduces the area on the screen for observing tube delivery. This creates difficulty with tube delivery through three mechanisms. ![]() If the blade is inserted too deeply, the video-imaging element gets very close to the larynx, and the view will be great, but the angle of approach is consequently very extreme. Hyperangulated blades look around the curvature of the tongue very well, but their perspective on the larynx, looking upward at it from the base of the tongue, can lead to difficulty in tube delivery. ![]()
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