The Upper Lip Bite Test (ULBT) can be used to screen a patient for the risk of a difficult endotracheal intubation.
Patient selection: laryngoscopy with endotracheal intubation
Examination: relationship of the lower incisors to the upper limt
Examination |
Class |
Intubation |
lower incisors can bite the upper lip above the vermilion line |
I |
not difficult |
lower incisors can bite the upper lip below the vermilion line |
II |
intermediate |
lower incisors cannot reach the upper lip |
III |
difficult |
Specialty: Anesthesiology, Surgery, general, Pulmonology, Cardiology, Emergency Medicine, Otolaryngology