Preoxygenate the patient with 100% oxygen via a nonrebreather mask, as time allows.
Choose the appropriate size of laryngeal mask airway (LMA).
Check the LMA cuff for leaks.
Deflate the cuff of the LMA completely against a flat surface.
Apply a water-soluble lubricant generously to the posterior surface of the mask.
Administer sedation when indicated.
Position the patient.