Every critter reacts differently to anesthesia. Keep watch on her, set her on a bed of towels you do not care about. If you need to, you can call an emergency vet and they can advise you. I just know the one in Boston, but know they have people there to answer questions, 24/7 - Angell Memorial Emergency: 617-522-7282 (press 1) They can advise you what to look for, and whether or not she needs medical attention now.