You have anesthetized a Norwich Terrier to remove a cutaneou…

You have anesthetized a Norwich Terrier to remove a cutaneous tumor on the side of the neck. There was some hemorrhage (not enough to cause any systemic problems) so the vet elected to put on a pressure wrap to prevent hematoma formation. The dog has been doing fine in recovery and when she started to cough and raise her head you extubated her. About a minute later you notice her color is a little cyanotic and she is having difficulty breathing. What would you do first?

Zenalpha, a combination of medetomidine and a peripherally a…

Zenalpha, a combination of medetomidine and a peripherally acting selective alpha-2 antagonist vatinoxan, can be used as a premedication prior to isoflurane anesthesia.  When compared to the use of dexmedetomidine alone which premed will result in more hypotension while under isoflurane anesthesia?