hi, im having my 5 yo chihuahua spayed and teeth cleaned in march. im terrified. the vet told me about anesthetic death, she said its uncommon but has to tell me anyway. is it uncommon? im so scared. please reassure me or something! is this going to happen to my dog? has anyone had it happen to theres? do i have anything to worry about? im going to be on edge until this is over, 3 months from now =(