The answers come from
Anesthesia & You... Anesthesia for Ambulatory Surgery, an informational document prepared by the American Society of Anesthesiologists through the cooperative efforts of the Society's Committees on Communications and the Committee on Ambulatory Surgical Care.

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What happens before my surgery?
Most commonly, you will meet the anesthesiologist who will care for you on the day of your surgery before you go into the operating room. Your anesthesiologist will then review your medical and anesthesia history and the results of any laboratory tests, and answer any further questions you may have.

Nurses will record your vital signs, and your anesthesiologist and surgeon will visit with you, completing any evaluations and laboratory tests. Intravenous fluids will be started and preoperative medications given, if needed. Once in the operating room, monitoring devices will be attached such as a blood pressure cuff, EKG and other devices for your safety. At this point, you will be ready for anesthesia.