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Diagnostic Procedures of the Digestive System

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Diagnostic Procedure
Definition
abdominal ultrasonography   sound waves are produced to create an image of the abdominal organs  
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air contrast barium enema   xray using barium then air into the colon for fine detail  
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barium enema (lower GI series)   xrays are taken while barium is administered in an enema to visualize the colon and small intestines  
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barium swallow (upper GI series)   barium mixture is swallowed while xrays are taken to visualize the esophagus, stomach, and duodenum  
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colonoscopy   visual exam of the colon by inserting a flexible scope through the anus, rectum, and colon  
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endoscopic retrograde cholangiopancreatography (ERCP)   xray of the bile and pancreatic ducts using an endoscope  
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endoscopy   visual exam using an instrument to view a body cavity or a hollow organ  
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esophageal motility studies   record of movement and pressure in the esophagus  
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esophagogastroduodenoscopy (EGD)   gastroscope is used to visualize the esophagus, stomach, and duodenum  
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esophagoscopy   esophagoscope is used to visualize the esophagus  
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fluoroscopy   realtime xray of the organs to view their condition  
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gastric analysis   laboratory study of stomach acids and presence of other substances  
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intravenous cholangiogram   dye injected intravenously to study the common bile duct by xray  
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laparascopy   lighted scope passed into the abdominal wall through a small incision to view the organs and any abnormal growths  
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liver biopsy   excision of a small piece of liver tissue for microscopic exam  
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liver scan   intravenous radiopaque dye enters the liver to be visualized for tumors and abscesses  
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occult blood test (stool quaiac)   feces are tested by applying drops of dye which changes color if blood is present  
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oral cholecystogram   xray of the gallbladder made visible by oral dye  
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ova and parasites (O&P)   laboratory exam of feces for parasites or their eggs  
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paracentesis   needle puncture to aspirate fluid for laboratory examination  
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percutaneous transhepatic cholangiography (PTHC) or (PTC)   contrast material is injected through the liver into the bile duct to view obstructions by xray  
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proctoscopy   visual exam by endoscope inserted into the rectum to view the anus and rectum  
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sigmoidoscopy   sigmoidoscope visualizes the anus, rectum, and part of the sigmoid colon  
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small bowel follow through (SBFT)   timed interval xray using barium to examine the small intestines  
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