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DX studies
Common Dx studies for GI tract
| Term | Definition |
|---|---|
| Esophagogastroduodenoscopy | It allows visual examination of the esophagus, stomach, and upper duodenum by means of a long, flexible, fiber-optic-lighted scope. |
| Colonoscopy | It allows visual examination of the rectum, colon, and distal small bowel using a long, flexible, fiber-optic-lighted scope. |
| Sigmoidoscopy | It allows visual examination of the distal sigmoid colon, the rectum, and the anal canal through a flexible or rigid sigmoidoscope. |
| Upper Gastrointestinal (UGI) and small bowel series | This involves floroscopic examination of the esophagus, stomach, and the small intestine after ingestion of barium sulfate. |
| Barium Enema | This involves a series of radiographs that examine the large intestine after rectal instillation of barium sulfate. |
| Abdominal Ultrasound | Uses ultrasound waves to visualize organs via small transducer placed against the skin. |
| Magnetic Resonance Imaging (MRI) | This test provides the physiologic information and detailed anatomic views of tissues using a superconducting magnet and radio frequency signals. |
| Abdominal CT Scan | Thin beams of x-rays ar directed at and move around the abdomen, resulting in computer-manipulated pictures that are not obscured by overlying anatomy. |