2017 ASA Practice Guidelines for Preoperative Fasting
This is an 18-page document from the American Society of Anesthesiologists which is a 2017 updated report by the ASA Task Force on preoperative fasting and the use of pharmacologic agents to reduce the risk of pulmonary aspiration as it applies to healthy patients undergoing elective procedures.
Click ASA Practice guidelines for preop fasting 2017.pdf link to view the file.