Welcome to Yorkie Talk. I am also in Virginia.
Anesthesia/surgery does not make me happy either, but it is actually safer than some of the routine activities of my Yorkies' daily life.
Discuss the anesthesia protocol with your vet and do pre-op bloodwork, as Wylie's Mom indicated.
Here is a thread about anesthesia:
http://www.yorkietalk.com/forums/yor...-protocol.html