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A gastroenterologist carefully feeds the endoscope down the esophagus and into the stomach and duodenum. A small camera mounted on the endoscope transmits a video image to a monitor, allowing close examination of the intestinal lining. An upper GI series examines the small intestine. During the procedure, the person will stand or sit in front ...
Gastrointestinal perforation is defined by a full-thickness injury to all layers of the gastrointestinal wall, resulting in a hole in the hollow GI tract (esophagus, stomach, small intestine, or large intestine). A hole can occur due to direct mechanical injury or progressive damage to the bowel wall due to various disease states.
The gastrocolic reflex or gastrocolic response is a physiological reflex that controls the motility, or peristalsis, of the gastrointestinal tract following a meal. It involves an increase in motility of the colon consisting primarily of giant migrating contractions, in response to stretch in the stomach following ingestion and byproducts of digestion entering the small intestine. [1]
Early satiety is the sensation of stomach fullness that occurs shortly after beginning to eat and is out of proportion to the meal. [10] Bloating is a highly subjective feeling of increased abdominal pressure. Bloating without eating should be distinguished from postprandial fullness. It is sometimes, but not always, associated with food ...
Intestinal ischemia is a medical condition in which injury to the large or small intestine occurs due to not enough blood supply. [2] It can come on suddenly, known as acute intestinal ischemia, or gradually, known as chronic intestinal ischemia. [ 1 ]
After noticing a "wet" sensation and lower abdomen pain, he looked down to find "several loops" of his pink intestines protruding from a recent surgical wound outside of his body.
Bowel obstruction, also known as intestinal obstruction, is a mechanical or functional obstruction of the intestines which prevents the normal movement of the products of digestion. [2] [5] Either the small bowel or large bowel may be affected. [1] Signs and symptoms include abdominal pain, vomiting, bloating and not passing gas. [1]
Symptoms of abdominal angina include postprandial abdominal pain, weight loss, diarrhea, nausea, vomiting, and an aversion or fear of eating caused by the pain associated with eating. [2] Abdominal angina usually starts 30 minutes after eating and persists for one to three hours.