(medicine) An imperfectly understood symptom complex of disagreeable or painful epigastric fullness, nausea, weakness, giddiness, sweating, palpitations, and diarrhea, occurring after meals in patients who have gastric surgery which interferes with the function of the pylorus.
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http://www.answers.com/library/Medical%20Dictionary-cid-952602 dump·ing syndrome

A condition occurring after eating in patients with shunts of the upper http://www.answers.com/topic/alimentary-canal and including flushing, sweating, dizziness, weakness, and http://www.answers.com/topic/vasomotor collapse. Also called postgastrectomy syndrome.

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http://www.answers.com/library/Veterinary%20Dictionary-cid-952602 dumping syndrome

A complex of vasomotor signs associated with eating and the rapid emptying of hyperosmolar gastric contents into the proximal small intestine; believed to be due to the shift of fluid into the gut lumen, intestinal distention and contraction of plasma volume.

http://www.answers.com/library/Wikipedia-cid-952602 Gastric dumping syndrome

Gastric dumping syndromeClassification and external resources {| ! http://www.answers.com/topic/icd-http://www.answers.com/topic/icd-10 | http://www.answers.com/topic/icd-10-chapter-xi-diseases-of-the-digestive-system91.1 ! http://www.answers.com/topic/icd-http://www.answers.com/topic/icd-9-code | 564.2 ! http://www.answers.com/topic/diseases-database | 31227 ! http://www.answers.com/topic/emedicine | med/589 ! medical-subject-headings | D004377 Gastric dumping syndrome, or rapid gastric emptying, happens when the lower end of the small intestine, the http://www.answers.com/topic/jejunum, expands too quickly due to the presence of hyperosmolar food from the http://www.answers.com/topic/stomach. "Early" dumping begins concurrently or immediately succeeding a meal. Symptoms of early dumping include nausea, http://www.answers.com/topic/vomiting-1, http://www.answers.com/topic/bloating-1, cramping, diarrhea, dizziness and fatigue. "Late" dumping happens 1 to 3 hours after eating. Symptoms of late dumping include weakness, sweating, and dizziness. Many people have both types. The syndrome is most often associated with gastric surgery. It is speculated that "early" dumping is associated with difficulty digesting fats while "late" dumping is associated with carbohydrates.[citation needed] Rapid loading of the small intestine with hypertonic stomach contents can lead to rapid entry of water into the intestinal lumen. Osmotic diarrhea, distension of the small bowel (leading to crampy abdominal pain), and http://www.answers.com/topic/hypovolemia can result. In addition, people with this syndrome often suffer from low http://www.answers.com/topic/blood-sugar, or http://www.answers.com/topic/hypoglycemia, because the rapid "dumping" of food triggers the http://www.answers.com/topic/pancreas to release excessive amounts of http://www.answers.com/topic/insulin into the bloodstream. This type of hypoglycemia is referred to as "alimentary hypoglycemia". Physicians diagnose dumping syndrome primarily on the basis of symptoms in patients who have had gastric surgery. Tests may be needed to exclude other conditions that have similar symptoms. Two ways of determining if a patient has dumping syndrome include Barium http://www.answers.com/topic/fluoroscopy and radionuclide http://www.answers.com/topic/nuclear-medicine. In the first procedure, a contrast of barium-labeled medium is ingested, and x-ray images are taken; early dumping can be easily recognized by premature emptying of the http://www.answers.com/topic/contrast medium from the stomach. The second method, scintigraphy (or radionuclide scanning), involves a similar procedure in which a labeled medium containing 99mTc (or other radionuclide) http://www.answers.com/topic/colloid or http://www.answers.com/topic/chelation is ingested. The 99mTc http://www.answers.com/topic/isotope decays in the stomach, and the gamma photons emitted are detected by a http://www.answers.com/topic/gamma-camera; the radioactivity of the area of interest (the stomach) can then be plotted against time on a graph. Patients with dumping syndrome generally exhibit steep drops in their activity plots, corresponding to abnormally rapid emptying of gastric contents into the http://www.answers.com/topic/duodenum. Dumping syndrome is largely avoidable by avoiding certain foods which are likely to cause it, therefore having a http://www.answers.com/topic/healthy-diet is important. Treatment includes changes in eating habits and medication. People who have gastric dumping syndrome need to eat several small meals a day that are low in http://www.answers.com/topic/carbohydrate, especially omitting simple sugars (candy, desserts, ice cream), and should drink liquids between meals, not with them. Fibers delay gastric emptying and reduce insulin peaks. People with severe cases take medicine such as http://www.answers.com/topic/octreotide, http://www.answers.com/topic/cholestyramine-1 or http://www.answers.com/topic/proton-pump-inhibitors (such as http://www.answers.com/topic/pantoprazole) to slow their digestion. Doctors may also recommend http://www.answers.com/topic/surgery. Surgical intervention may include conversion of a http://www.answers.com/topic/billroth-ii to a Roux-en Y gastrojejunostomy. Most of the text of this article is taken from http://digestive.niddk.nih.gov/ddiseases/pubs/rapidgastricemptying/index.htm |}

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