Fluoroscopy
Shows a continuous x-ray image on a montior, much like an x-ray movie
MRI
uses magnetic fields and radio waves to produce detailed images of the inside of the body
CT scan
combines a series of x-ray images taken from different angles to provide a detail x-ray image
biopsy samples, gastric juice samples, stool samples
used to recognize whether there may be a digestive source for a patient’s symptoms