jencins, I am sorry for your loss. I lost my cat suddenly, he was fine happy, healthy and full of pep and then one friday he was hiding in the corner wouldnt let me pet him, i knew somethign was wrong that not shadow at least with me it wasnt.. and by wednesday we had to put him down, there was nothing they could do for him.. they said he was Septic.. basicly something ruptured inside him and the toxins shut his system down.. i still dont understand why or how.. or what ruptured for that matter.. i will not step foot in that vets office again.. it wasnt the dr.. just me. Its is so heart wrenching when you loose our best friends, especially when its just so suddenly.. All we can do is keep them in our hearts and think about them, she will come to you i truly believe that. she will let you know she is ok. and maybe you will feel alittle more at peace. Take care of yourself.