The American Society of Anesthesia just released their new difficult airway guidelines. Of course, I'll be reviewing them on the Practical Evidence Podcast.
Those guidelines are a bit too involved for Emergency Medicine and Intensive Care. For us, I recommend the Shock Trauma Algorithm. I modified it somewhat to fit my own prejudices (as usual).
Click on the image for full-size
The approach was validated in this study:[Stephens CT, Kahntroff S, Dutton RP. The success of emergency endotracheal intubation in trauma patients: a 10-year experience at a major adult trauma referral center. Anesth Analg. 2009 Sep;109(3):866-72.]
Couldn't be easier to remember and use.