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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.
Ultrasound scans use high-frequency sound waves to capture images and video. This helps doctors view portions of the body's interior without making an incision. Just as sonar and radar help the military detect planes and ships, ultrasound helps do...
An esophagogastroduodenoscopy (EGD) test is performed to examine the lining of your esophagus. The esophagus is the muscular tube that connects your throat to your stomach and the duodenum - the upper part of the small intestine. An EGD test is ad...