Thyromental distance (TMD) measurement is a method commonly used to predict the difficulty of
intubation
Intubation (sometimes entubation) is a medical procedure involving the insertion of a tube into the body. Patients are generally anesthetized beforehand. Examples include tracheal intubation, and the balloon tamponade with a Sengstaken-Blake ...
and is measured from the
thyroid notch to the tip of the jaw with the head extended. If it is less than 7.0 cm with hard
scarred tissues, it indicates possible difficult intubation.
See also
*
Mallampati score
*
Simplified Airway Risk Index
References
{{Anesthesia
Anesthesia