What Is an Upper GI Series? An upper GI series is a group of X-ray tests that look at your GI tract -- your food pipe (the esophagus), stomach, and the first part of your small intestine (the duodenum ...
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What causes a gastrointestinal (GI) bleed?
Medically reviewed by Qin Rao, MD Symptoms of GI bleeding include stomach pain, vomiting blood, or having black, tarry ...
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