Intraoperative Cardiac Arrests in Adults Undergoing Noncardiac Surgery: Incidence, Risk
Factors, and Survival Outcome
Anesthesiology: November 2012 - Volume 117 - Issue 5 - p 1018–1026
http://journals.lww.com/anesthesiology/Fulltext/2012/11000/Intraoperative_Cardiac_Arrests_in_Adults.20.aspx