Say Yes or No to N₂O?

Complex Information for Anesthesiologists Presented Quickly and Clearly

*ENIGMA II trial cardiac risk factors included history of coronary artery disease, heart failure, cerebrovascular disease, or peripheral vascular disease, or age ≥70 yr with other comorbiditiesInfographic created by Holly B. Ende, Vanderbilt University Medical Center; James P. Rathmell, Brigham and Women’s Health Care/Harvard Medical School; and Jonathan P. Wanderer, Vanderbilt University Medical Center. Illustration by Annemarie Johnson, Vivo Visuals Studio. Address correspondence to Dr. Ende: holly.ende@vumc.org.