I am so sorry for your loss. We never have our dogs long enough!
I;ve posted her a link for you;
http://www.yorkietalk.com/forums/mem...-pet-loss.html
We do have a forum here called R.I.P. You might find the above article helpful for you.
Guilt is so often paired with the loss of our loved one. From what you've written, you did all you could do!. Please don't second guess your actions on that day you lost your girl.
Prayers for you and your family at this sad sad time