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Airway Management in Mechanical Ventilation 157

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Class 1 Class 2 Class 3 Class 4

Figure 6-4 Mallampati classification.

laryngoscope: An instrument space, reduced mouth opening, limited head extension, and dental overbite
that is used to displace the tongue
and soft tissues, and visualize (Rich, 2005).
the larynx and vocal cords during
endotracheal intubation.
Supplies

stylet: A flexible but semirigid The minimum supplies needed for ET intubation include (1) laryngoscope handle,
wire placed inside an endotracheal
tube to provide it with a desired (2) blade, (3) ET tube, (4) 10-mL syringe, (5) water-soluble lubricant, (6) tape, and
curvature. (7) stethoscope. Optional supplies for ET intubation include (8) stylet, (9) topical
anesthetic, and (10) Magill forceps.

Magill forceps: Special forceps
used to perform nasal intubation
under direct vision.

TABLE 6-2 Mallampati Classification and Interventions

Mallampati Able to See Intervention

Class 1 Soft palate, fauces, uvula, anterior, Conscious sedation
and posterior tonsillar pillars

Class 2 Soft palate, fauces, and uvula Conscious sedation
Class 3 Soft palate and base of uvula Seek anesthesia
consultation
Class 4 Soft palate only Seek anesthesia
consultation
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