Which 3 of the following are predictors of difficult videolaryngoscopy with GlideScope or C-MAC?
a) Supine sniffing position
b) Supine neutral position
c) Degree of mouth opening
d) Intrathoracic cardiac surgery
Reference: Aziz MF, Bayman EO, Van Tienderen MM, Todd MM, Brambrink AM. Predictors of difficult videolaryngoscopy with GlideScope(R) or C-MAC(R) with D-blade: secondary analysis from a large comparative videolaryngoscopy trial. Br J Anaesth. 2016 Jul;117(1):118-23.
Courtesy of Dr. Gail Randel and Dr. Luminita Tureanu
Northwestern University Feinberg School of Medicine, Chicago