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February 10, 2012
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Irritable Bowel Syndrome (cont.)

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Irritable Bowel Syndrome Diagnosis

Irritable bowel syndrome can be a very difficult diagnosis to make. IBS is called a diagnosis of exclusion, which means a doctor considers many other alternatives first, performing tests to rule out other medical problems. Some of these tests may include laboratory studies, imaging studies (such as a CT scan or small intestinal X-rays), or a lower GI endoscopy (colonoscopy). An endoscopy is a procedure in which a flexible tube with a tiny camera on one end is passed into the GI tract while the patient is under conscious sedation.

  • A combination of history, physical examination, and selected tests are used to help diagnose irritable bowel syndrome.

  • No single blood test or x-ray study confirms a diagnosis of IBS.

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Irritable Bowel Syndrome - How Was Diagnosis Established

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Irritable Bowel Syndrome - Symptoms

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Read What Your Physician is Reading on Medscape

Irritable Bowel Disease »

Irritable bowel syndrome (IBS) is a functional GI disorder characterized by abdominal pain and altered bowel habits in the absence of specific and unique organic pathology.

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