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Image Life Weinan City Chinese Medicine Hospital CT room YongqiangObstruction occurs in accordance with the basic reasons are divided intoA mechanical obstruction of various causes intestinal stenosis. Thus the intestinal contents through the obstacles. May be due to (1) the intestine obstruction, such as parasites, fecal, large gallstones, foreign bodies, etc. (2) bowel pressure, such as the oppression of adhesions, bowel torsion, incarcerated hernia, or tumor suppression (3) wall lesions, such as congenital bowel closed reduction, inflammatory stricture, cancer and other causes2 blood flow obstruction is due to the superior mesenteric vein thrombosis, so that intestinal blood disorders, and subsequent intestinal paralysis, intestinal contents can not operate normally in accordance with the presence or absence of blood circulation disorder into the intestinal wallA simple obstruction, referring to the intestinal contents through the barrier, no intestinal blood disorder2 strangulated intestinal obstruction, obstruction with blood circulation disorder refers to the site of obstruction in accordance with sub-High obstruction (eg upper jejunum)Low obstruction (ileum and colon)According to the degree of obstruction of a complete obstructionTwo incomplete intestinal obstructionAccording to the speed of the development processAn acute intestinal obstructionTwo chronic intestinal obstructionThe various types of intestinal obstruction under certain conditions can be transformed into each otherTake a look at the normal abdominal plain film may appear similar manifestations of the disease: raising awareness, work can be identifiedNormal stomach can have varying amounts of gas a less than 3 years old children, inflatable song close to each other to form the small intestine polyhedron images, located in the abdomen size and evenly distributed. Aged children over, almost no intestinal gases may have a small amount of the terminal ileum Gas and liquid surface pediatric gastrointestinal anatomy and physiology: Pediatric Gastrointestinal maturation from birth until 3 (a) after birth with breathing and crying, the rapid accumulation of air in the gastrointestinal tract and by rapidly after birth 3 (2) in the gastrointestinal tract is filled with gas, the formation of gas-rich factors:Crying and feeding weighed in disgust swallow air accounted for 70Poorly developed abdominal muscles, the abdominal muscles caused by meager abdominal wall relaxation, resulting in relatively slow intestinal blood circulation and affect intestinal gas absorption three lower esophageal sphincter, cardia and pylorus dysfunction, make swallowing easy to enter the gas within the gastrointestinal tract, stomach gas also easily back into the esophagus 4 times, ileocecal valve dysfunction, gas easily back into the small intestine from the colon5 immature cause intestinal gas is not easy emptying of the intestinePhysiological supine position 6 to the accumulation of gas in the gastrointestinal tract was raised, the memory in more than a few ml of intestinal gas is not normal, this theory is based on the normal of the gas in the small intestine is absorbed quickly, so the gas continued to exist suggestive of mechanical or paralytic ileus. However, many people have a fast gas swallow repulsive habit of action, particularly in the more obvious when the tension, the intake of high carbonated beverages will produce large amounts of gas into the ileum. When a large amount of gas quickly through the small intestine. The amount of gas temporarily exceed the absorption capacity of the small intestine, small intestine will be displayed at this time radiography product gas, but other aspects of the performance of normal. Therefore, in conjunction with clinical radiologists to diagnose pathological expansion of the small intestine, but not the supine abdominal plain film pneumatic dilation of the small intestine to determine.