Good morning, please try and relax. I know how scary it is to have a bird with a slow crop, it has happened here from time to time. Will Maddie eat soft food out of a syringe? Applesauce will keep the crop moving, it does not take much as I use a tsp. for a larger bird, 1/4 tsp should work for Maddie. If you have a probiotic you can mix it with the soft food. Talk to your vet first as she may want to see the bird on an empty crop. Also ask your vet about using slippery elm to encapsulate what she may have swallowed, it will help the foreign object pass and sooth the GI tract. Keep checking poops and look for anything out of the ordinary.
gary