HAHAHAHAHA!
I had not too long ago my balll ate a f/t rat and blood squirted out like mad. He just was happy as a clam and letting it drip all down his sides and climbed all over it. I highly doubt she is stressed and this happens every so often. You don't have to do anything really but a little soak bath or washcloth won't hurt either. Let her digest a few days of course first.
Welcome to the "my snake just went full vampire on the rat" club!