I could be nothing but an upset stomach but pancreatitis can be brought on by that. You're vet should be able to perform a blood test looking for elevated Lipase and Amylase, which are the two main markers (I believe).
Does Annie seem in pain at all? Typically there is abdominal pain associated with Pancreatitis. You could poke around that area and see her reaction.
Does Annie seem in pain at all? Typically there is abdominal pain associated with Pancreatitis. You could poke around that area and see her reaction.