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Sitzmark Study

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What is a sitzmark study?

This is a simple test used to check the function of the bowel in chronic constipation. It is extremely helpful in distinguishing stool-holding behavior from actual problems with intestinal movement.

How does the test work?

The Sitzmark capsule contains 24 tiny rings that show up on x-ray. The capsule is swallowed whole by those children who can. As this capsule moves through the digestive system, it will dissolve leaving the rings that will show up on the x-ray. If your child cannot swallow the whole capsule, it can be opened and mixed with a soft food, like pudding, ice cream, or mashed potatoes. Make sure you mix it only with a small amount of food because the child will have to eat all of it. Five days after eating or swallowing the capsule, a single x-ray of the abdomen (belly) will be taken to see where the rings are and how many are left in the belly.

What will the test tell the doctor?

For those children without significant constipation, all the rings will pass through the digestive tract and out with the stool within 2 or 3 days. In those with constipation problmes, rings will remain. The number and location of the rings will give your doctor valuable information about the nature of the problem.

How will I be notified of the results of the test?

You should call your doctor’s office 1 to 2 days after the xray for the results. If you have any questions, call your doctor’s office.

Day Capsule Given: _____________________________________

Day child comes back for X-ray:______________________________(5 days of after capsule)

Disclaimer: This information is not intended to substitute or replace the professional medical advice you receive from your child's physician. The content provided on this page is for informational purposes only, and was not designed to diagnose or treat a health problem or disease. Please consult your child's physician with any questions or concerns you may have regarding a medical condition.

Reviewed: 02/2018

(757) 668-7000