pediatric airway anatomy and other...
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oral intubation requires...
the establishment of a line of vision from the incisor teeth to the larynx
the path of vision from incisor teeth to the larynx has 3 axes. they are...
- 1. oral axis
- 2. the pharyngeal axis
- 3. the laryngeal axis
the oral axis is normally ________ to the laryngeal axis.
the pharyngeal axis normally forms a ______ degree angle to the laryngeal axis
how do you superimpose the pharyngeal & laryngeal axes?
- positioning of the patient with modest neck flexion (sniffing position) and atlanto-occipital joint extension. this is done w/ a cushion/folded towl placed under the occiput.
why do you want to superimpose the pharyngeal & laryngeal axes?
because then you get the necessary line of vision for intubation
Anatomical factors complicating intubation in infants (5)
- 1. narrow nares
- 2. large tongue
- 3. high glottis
- 4. slanting vocal cords
- 5. narrow cricoid ring
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