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Digestive Health

What is a colorectal transit study?

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  • This test shows how well food moves through the colon. The patient swallows capsules containing small markers, which are visible on x-ray. The patient follows a high-fiber diet during the course of the test, and the movement of the markers through the colon is monitored with abdominal x-rays taken several times three to seven days after the capsule is swallowed.
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