<unk>  (also known as proctography, defecating/defecation proctography, evacuating/evacuation proctography or dynamic rectal examination) is a type of medical radiological imaging in which the mechanics of a patient's defecation are visualized in real time using a fluoroscope. The anatomy and function of the anorectum and pelvic floor can be dynamically studied at various stages during defecation.
Defecography
Enteroscopy
GI cocktail
Capsule endoscopy
Sialoendoscopy
Fecal pH test
EGS 
Stool test