This issue of Anesthesiology Clinics, edited by Dr.Michael T. Walsh in collaboration with Consulting Editor Lee Fleisher, is focused on Ambulatory Anesthesia. Topics in this issue include: Preoperative evaluation for ambulatory anesthesia; Obesity and obstructive sleep apnea in the ambulatory patient; Pediatric ambulatory anesthesia challenges; Safety in dental anesthesia for office-based practitioners; Office-based anesthesia; Regional anesthesia for the ambulatory anesthesiologist; Anesthesia for same-day total joint; Enhanced recovery in outpatient surgery; Outcomes in ambulatory anesthesia: Measuring what matters; ASC Medical director issues; NORA: Anesthesia in the GI suite; MACRA/MIPS/APM, etc: Payment issues in ambulatory anesthesia; Emergency response in the ASC; and Quality Improvement in ambulatory anesthesia.Ambulatory Anesthesia, An Issue of Anesthesiology Clinics is written by Michael T. Walsh and published by Elsevier. ISBNs for Ambulatory Anesthesia, An Issue of Anesthesiology Clinics are 9780323682695, 0323682693 and the print ISBNs are 9780323682220, 0323682227.