Description

Friedman et al developed a classification of tongue position as a modification of the Mallampati class. This can be useful both in laryngoscopy and evaluation of a patient with obstructive sleep apnea. The authors are from Rush University in Chicago.


 

Patient instruction: mouth open with tongue in natural position

Can See

Cannot See

Class

tonsils, pillars, entire uvula, soft palate, hard palate

 

I

entire uvula, soft palate, hard palate

tonsils or pillars

IIa

base of uvula, soft palate, hard palate

tonsils, pillars or tip of uvula

IIb

some of soft palate, hard palate

tonsils, pillars, uvula and parts of soft palate

III

hard palate only

tonsils, pillars, uvula, soft palate

IV

 


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