Predicting difficult airways: 3-3-2 rule or 3-3 rule?

Conclusions The 3-3 rule and the 3-3-2 rule are similar regarding their ability to predict difficult airways. A HTD less than two fingers or one finger is not predictive of DV or DI.

http://link.springer.com/10.1007/s11845-015-1276-7

Source: Irish Journal of Medical Science - March 5, 2015 Category: Journals (General) Source Type: research