the only clear and prescise diagnosis that i am informed of is called an upper gi test where the specialists have you ingest a barium containing drink that emmits some kind of glow inside your body that can be seen through a type of x-ray that they view as the barium travels down your gastrointestinal tract. actually very interesting to watch.
what exams and tests help doctors to evaluate or test people for gastroesophageal reflux disease gerd?