A<unk>  is a nuclear medicine study which provides an assessment of the stomach's ability to empty. It may be used if there are complications after gastric surgery, for gastric reflux, or suspected gastroparesis amongst other indications. Scintigraphy that uses gamma cameras to create two-dimensional images is generally regarded as the gold standard for gastric<unk> .
Gastric emptying scan
GI cocktail
Gastric tonometry
Electrogastrogram
Caloric reflex test
Impedance–pH monitoring
Upper gastrointestinal series
Hydrogen breath test