I know of a vet. that uses isoflurane and a little bit of ketamine. What would be the purpose of using both? I would assume that since isoflurane is the safest anethetic to use that most vets would simply stick with isoflurane and isoflurane only. Hmmmmm. Melanie and the gang (Giz, Normie, and Moe) [Posted in FML issue 2250]