Term
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Definition
early detection of gastrointestinal disorders including: bleeding, liver and biliary disease, malabsorption syndromes, and inflammation. |
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Routine examination includes |
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Definition
macroscopic, microscopic and chemical analysis |
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Definition
loose stool with or without increased frequency for more than four weeks |
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Definition
Usually results from increased secretion of water and electrolytes which override the reabosrptive ability of the large intestines |
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Definition
Incomplete digestion of foodstuffs presnet increased fecal material resulting in increased water retention in the large bowel. |
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Term
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Definition
Usually instruct patient to collect specimen in a clean bedpan or similar container and then transfer the specimen to the appropriate transport containers. |
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Definition
suitable for most screenings and qualitative tests for blood, leukocytes, fibers, and fat |
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Definition
require a timed specimen. Most common to require 72hour collection (3 day). |
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Definition
results from oxidation of the hemoglobin derivative urobilinogen to urobilin. |
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Term
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Definition
blockage of the bile duct but is also seen after diagnostic procedures using barium sulfate |
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Definition
presence of blood typically due to bleeding in the upper digestive tract, such as from a bleeding peptic ulcer. |
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Term
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Definition
presence of undigested blood, either from lower in the digestive tract, or from a more active source in the upper digestive tract. |
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Definition
associated with diarrhea, hard stools with constipation, slender ribbon-like stool suggest an intestinal obstruction |
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Definition
increased stool fat usually resulting from an absence of lipase and bile salts |
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Definition
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Definition
indicates bowel mucosal inflammation, which occurs in invasive bacterial enteritis and ulcerative colitis |
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Term
bacteria causing diarrhea |
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Definition
Shigella, Campylobacter, Yersinia, and enteroinvasive Escherichia coli. Bacteria causing diaherra by toxin production, i.e., Stapphylococcus aureus and Vibrio sp. Do not cause leukocyte appearence |
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Term
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Definition
iron-binding glycoprotein released from leukocytes during the course of an inflammatory reaction |
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lactoferrin in stool correlates with |
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Definition
presence of fecal leukocytes even when those cells have deteriorated or have been destroyed by bacterial toxins or parasites |
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Term
Examination for undigested striated muscle fibers |
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Definition
useful in the diagnosis and monitoring of pancreatic insufficiency |
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Term
The presence of increased numbers of muscle fibers suggests |
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Definition
impaired digestion and rapid movement of food through the intestines. |
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Term
impaired digestion disorders |
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Definition
cystic fibrosis, biliary obstruction, and gastrocolic fistulas |
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Term
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Definition
characteristic striations |
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Definition
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When counting muscle fibers count |
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Definition
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Term
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Definition
Examination is to identify the presence of malabsorption or maldigestion |
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Term
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Definition
pale, greasy, bulky, and sponge-like in consistency and with a foul odor |
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Term
diseases of the pancreas and gastrointestinal tract are characterized by fat malabsorption. |
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Definition
Disorders of exocrine pancreatic function, Celiac disease, Short bowel syndrome , Small bowel bacterial overgrowth syndrome |
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Term
Disorders of exocrine pancreatic function |
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Definition
chronic pancreatitis, cystic fibrosis and Shwachman-Diamond syndrome (these are characterized by deficiency of pancreatic digestive enzymes) |
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Term
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Definition
in which the fat malabsorption in severe cases due to inflammatory damage to the integrity of the intestinal lining) |
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Definition
in which much of the small intestine has had to be surgically removed and the remaining portion cannot completely absorb all of the fat). |
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Term
Normal Qualitative Fecal Fat |
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Definition
less than 60 globules of fat per high-power field will be observed in the preparation |
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Term
steatorrhea Qualitative Fecal Fat |
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Definition
> 60 orange colored globules |
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Term
Presenece of Fatty Acids/Soaps steatorrhea |
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Definition
>100 fat globules of varying sizes will be present |
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Term
Presenece of Fatty Acids/Soaps normal |
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Definition
<100 stained globules will be present |
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Term
pathologically significant Occult Blood |
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Definition
2 mLs of blood per 150 grams of fecal matter |
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Term
Conditions that produce small and invisible amounts of blood in feces are |
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Definition
cancer, bleeding gums, esophageal varices, hemorrhoids, drugs that irritate the intestinal mucosa, ulcers, and inflammatory conditions. |
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Term
testing for occult blood in feces detects a significant percentage of |
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Definition
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Term
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Definition
Fecal material contains a variety of digested food materials that exhibit peroxidase activity and can react with the blood test and produce a false positive result. Because guaiac has such low sensitivity, it produces fewer false positive tests.
Benezene in a carcinogen |
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Term
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Definition
raw red meat, inadequately cooked meats of all types, vegetables with peroxidase activity (turnips, broccoli, cauliflower), fruits with peroxidase activity (bananas, pears, plums), certain bacteria, and certain drugs (aspirin) that irritates the G.I. mucosa and causes bleeding. |
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Term
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Definition
ascorbic acid, anti-acids, and anti-inflammatory medications |
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Osmotic diarrhea are characterized by osmotic gaps |
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Definition
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Term
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Definition
Values <5.6 are consistent with carbohydrate malabsorption |
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Ova and parasite testing with specail attention to |
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Definition
Cryptosporidium, Microsporidium, and Giardia |
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Term
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Definition
Clostridium difficile and analysis for the C. difficile toxin |
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Term
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Definition
usualy identified through radiography, sigmoidoscopy, colonoscopy |
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