Anesthesiology, also spelled anaesthesiology, is a medical field that deals with anesthesia and related topics like pain management and resuscitation. The improvement of anesthesiology as a particular field came about due to the risks of sedation, which includes the utilization of painstakingly graduated portions areas of strength for of to stifle torment. ( (Look up anesthetic.) In the operating room, where the surgeon was in charge, anesthesia played a minor role in the 19th century.