Jode, sorry to hear of your loss. Its hard and emotionally devastating especially when its sudden. I can't imagine your shock to hunt her one day and loose her the next. I know you have lots of special memories and she lived a dog's best life with you. Keep those memories and cherish them.
I am going through the loss of a dog too, my 11.5 year old lab, Brant in above pictures), is slowly failing from degenerative laryngeal paralysis. He is at the point when he can't breathe through his mouth, only his nose. So all exercise or excitement is off limits. Its hard to schedule the final appointment while he is still wagging his tail and looking at you like "lets go do something!" But I know its better for him to go this way instead of collapsing and being unable to breathe. He has always trusted me to take care of him, now one final responsibility.
I hope your heart break is repaired with puppy breath soon.