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Mallampati

Oral anatomy for intubation


Class 1

Full visibility of tonsils, uvula and soft palate.


Class 2

Visibility of hard and soft palate, upper portion of tonsils and uvula.


Class 3

Soft and hard palate, and base of uvula are visible.


Class 4

Only hard palate visible.



Note

A high Mallampati score (class 4) is associated with more difficult intubation, and a higher incidence of sleep apnea.


Reference

AIRWAY ASSESSMENT : PREDICTORS OF DIFFICULT AIRWAY
Dr. Sunanda Gupta1 Dr. Rajesh Sharma KR2 Dr. Dimpel Jain. Indian J. Anaesth.2005; 49(4):257-262