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Chapter 12
Gastrointestinal tests include serum, breath, and stool tests. First, serum studies, such as liver function tests, help identify hepatic disorders. ...
A barium swallow is a diagnostic medical imaging procedure that uses barium sulfate to visualize and examine the upper GI tract, including the esophagus, ...
Barium enema, or a lower GI series, is a radiographic examination of the lower gastrointestinal tract, including the colon and rectum. This procedure ...
Abdominal ultrasonography is a non-invasive imaging technique to visualize abdominal organs and other structures. During the test, a gel is applied to the ...
Endoscopic ultrasound is a minimally invasive diagnostic procedure that combines endoscopy and ultrasound to visualize the digestive tract and nearby ...
Computed Tomography or CT scans use X-ray technology to generate detailed images of bones, organs, and tissues. During the scan, the patient lies on a ...
Positron Emission Tomography, or PET, is an imaging technique that reveals the metabolic and biochemical functions of body tissues and organs. It helps ...
Gastrointestinal motility studies evaluate digestive tract function. First, gastric emptying studies involve ingesting a meal containing a radioactive ...
Esophagogastroduodenoscopy is a diagnostic endoscopic procedure that visualizes the oropharynx, esophagus, stomach, and proximal duodenum. It helps ...
A colonoscopy is a diagnostic procedure used to visualize and examine changes in the colon's inner lining, such as diverticula, ulceration, polyps, ...
Video capsule endoscopy is a diagnostic procedure that visualizes the gastrointestinal tract using a small, enzyme-resistant wireless capsule swallowed by ...
Sigmoidoscopy uses a flexible sigmoidoscope to visualize the rectum and sigmoid colon for abnormalities like polyps, cancer, or bleeding. It is inserted ...
Endoscopic Retrograde Cholangiopancreatography, or ERCP, is a therapeutic procedure integrating endoscopy with fluoroscopy to examine and treat conditions ...
Enteral nutrition, or tube feeding, delivers nutritionally complete liquefied food or medications directly into the gastrointestinal tract via a tube, ...
Nasointestinal feeding delivers nutrient-rich formulas to the small intestine via a feeding tube inserted through the nose, bypassing the esophagus and ...
Parenteral nutrition, or PN, is a crucial medical intervention that directly delivers nutrients like carbohydrates, fats, proteins, vitamins, and minerals ...
An ostomy is a surgical procedure that creates an artificial opening in the intestines leading to the body's exterior. This opening, called a stoma, ...
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