A PUBLICATION OF THE AMERICAN SOCIETY OF REGIONAL ANESTHESIA AND PAIN MEDICINE In This Issue Intravenous Ketamine Guidelines for Pain Management - see page 14 How I Do It: Sustainable Anesthesia - see page 22 Prevention and Treatment of Infections During Spinal Cord Stimulator Trials and Implants - see page 41 Advancing the science and practice of regional anesthesiology and pain medicine to improve patient outcomes through research, education, and advocacy