The most important diagnostic tests are as follows:

1. Endoscopy Gastroenterology: (GASTROINTESTINAL ENDOSCOPY):

2. endoscopy streams gall bladder and pancreas: (ERCP)

3. urinary system planning: (UROMETRY)

4. EMG: (E.M.G)

5. EEG: (E.E.G)

6. measure of acidity in the stomach and esophagus: (PH METRY)

(A) pressure measurement inside the digestive tract (MANOMETRY).

B respiratory planning SPIROMETRY.