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A gastric emptying scan, also known as a gastric emptying study or test, is an exam that uses nuclear medicine to determine how fast food leaves the stomach.
An abdominal ultrasound uses sound waves to check a number of conditions. Learn about what ultrasounds are used for and if there are any risks.
An EGD test (esophagogastroduodenoscopy) examines the lining of your esophagus, stomach, and duodenum.