Ultrasound to measure hyo-mental distance, neutral (Frankfort) position, maximal extended neck position to calculate ratio, width of the tongue between the lingual arteries, and tonsillar size (bilateral).

Ultrasound to measure hyo-mental distance, neutral (Frankfort) position, maximal extended neck position to calculate ratio, width of the tongue between the lingual arteries, and tonsillar size (bilateral).

The following 6 questions will be asked during the preoperative visit:

1. While sleeping, does your child snore more than half the time?
2. While sleeping, does your child always snore?
3. Have you ever seen your child stop breathing during the night?
4. Does your child occasionally wet the bed?
5. Did your child stop growing at a normal rate at any time since birth?
6. Is your child overweight

Ultrasound to measure hyo-mental distance, neutral (Frankfort) position, maximal extended neck position to calculate ratio, width of the tongue between the lingual arteries, and tonsillar size (bilateral).

The distance from the hyoid bone to the mentum to predict difficult airway.

Width of the tongue between the lingual arteries.

Size of tonsil (bilateral)