How old is she? Is this new? Has she eaten anything? Is she acting lethargic?

I know you said there are no vets nearby, but maybe try calling an emergency vet - there are two near me - Boston area - that have staff there 24/7, and might be able to at least hear you out over the phone and tell you what to look for.

Angell Memorial: (617) 522-7282

Vescone: (781) 684-8387