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| | eMedicine - Constipation : Article by Marc D Basson, MD, PhD |
 | | Constipation is the end effect of several factors: poor diet, lack of exercise, motility abnormalities, and anatomic defects, along with the patient's expectations and psychological factors. |
 | | Constipation results in various degrees of subjective symptoms and is associated with abnormalities such as colonic diverticular disease, hemorrhoidal disease, and anal fissures that occur secondary to an increase in colonic luminal pressure and intravascular pressure in the hemorrhoidal venous cushions. |
 | | Acute constipation in the setting of an empty rectal vault and a proximal colon that is dilated with air or stool suggests large bowel obstruction, which should be further evaluated via Gastrografin enema or lower GI endoscopy. |
| www.emedicine.com /med/topic2833.htm (7921 words) |
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