- May 20, 2008
My brother went to the ER because he was bleeding when going to the bathroom and he was fee...

An upper GI and small bowel series is a set of x-rays taken to examine the esophagus, stomach, and small intestine. These x-rays are taken after the patient has swallowed barium, which shows up on x-rays. See also barium enema (lower GI series).
GI series; Barium swallow x-ray; Upper GI series