Help Brownie get an Ultrasound

Brownie has recently been having a lot of intense abdominal pain.  We took her to get some blood work done and the vet couldn't find the cause of the pain, so they said the next best thing is an ultrasound. Unfortunately, it's very expensive. We  want nothing more than for Brownie to feel better again. Please help by donating in the $20-50 range and you could get a portrait done or a detailed illustration. Thank you so much!