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Fig. 3 | BMC Anesthesiology

Fig. 3

From: Impact of changes in head position during head and neck surgery on the depth of tracheal tube intubation in anesthetized children

Fig. 3

Average distance from the tracheal carina to the endotracheal tube tip (a), distance between the tracheal carina to the posterior vocal commissure (b), and the distance from the superior margin of the endotracheal tube tip cuff to the vocal cord posterior commissure (c) in children with different ages under 3 surgical head positions. The red dotted line indicates that the distance from tip of the tube to bulge is 2 cm, which is the ideal position for the endotracheal tube tip. The error bars represent 95% CIs

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BMC Anesthesiology

ISSN: 1471-2253

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