The major limitations of using a laryngeal mask airway are:
1) It should not be used in conscious or semicomatose patients.
2) Gastric distention may occur if ventilating pressures greater than 20 cm H₂O are needed.
3) It does not provide absolute protection against aspiration of gastric contents.

Question

Quizplus · Accepted Answer

All three statements are correct limitations of using a laryngeal mask airway. It is generally not used in conscious or semicomatose patients due to discomfort and risk of aspiration. Gastric distention can occur with high ventilating pressures, and it does not offer complete protection against aspiration of gastric contents.

The Major Limitations of Using a Laryngeal Mask Airway Are