腸梗阻中山大學(xué)外科學(xué)(編輯修改稿)
2024-11-14 19:37 本頁面
【文章內(nèi)容簡(jiǎn)介】 ggests intestinal ischemia or peritonitis. distention: Develop later in the course of obstruction Associated with obstructed site or level. 1)not prominent in proximal intestinal obstruction, 2)prominent and diffuse in distal intestinal obstruction and paralytic obstruction. 3)colon is obstructed, round abdomen. 4)intestinal torsion， asymmetrical. and obstipation: The onset of obstipation, a late development. Still pass flatus or feces: the distal, unobstructed intestine empties. partial or inplete obstruction Physical Examination the signs of dehydration, sunken eyes, dry mucous membranes, loss of skin turgor, and before resuscitation, resting tachycardia. Inspection: The degree of abdominal distention varies with both the duration and the location of the obstruction. Peristalsis occasionally visible, scar/hernia Palpation: Localized tenderness or a tender, palpable mass closed loop Signs of localized or generalized peritonitisgangrene or rupture Auscultation: Obstructed bowel sounds(borborygmi) highpitched,metallic with tinkles, splashes, and rushes coincide with the abdominal colic. With late obstruction , it loses its contractile activity, and rushes may be absent. Borborygmus (Bowel sounds) may be absent in paralytic obstruction. Percussion: If the segment of intestine is strangulated, shifting dullness may be evident. Rectal digital examination: Low rectal carcinoma and intussuscepted segment are palpable sometimes Laboratory tests:
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