Anorectal Manometry

What is Anorectal manometry?

Anorectal manometry is a test done to measure the pressures of the anal sphincter muscles needed for normal bowel movements.

Preparation for the procedure:

  • Give yourself a Fleet enema (sodium phosphate) 2 hours before the procedure.  If it doesn’t work, give yourself another Fleet enema 30 minutes later.   You can buy the Fleet enema from any drug store.
  • Take your regular medication
  • You may eat before the test
  • You may drive yourself to and from the test and return to normal activity

Checking In:

Go to the South Health Campus, GI Gut Motility Clinic, 6th floor in the Pulmonary Diagnostics Clinic.  We are located at 4448 Front St. SE Calgary. Ph. 403-956-2803

What to Bring:

  • Your health card
  • A list of your medications

The Procedure:

  • The test takes about 45 minutes.  It is not a painful procedure.  The nurse will review the procedure with you, take a brief history and answer any questions that you may have.  You will be asked to remove your clothes from the waist down and put on a hospital gown.  Before the test, you will be asked to empty your bladder.
  • During the procedure, you will be asked to lay on your left side.  A small tube with a balloon on the end will be placed in the rectum.  The tube is attached to a machine that measures and records the pressures.  You will be asked to squeeze, push, and relax at various times during the test.  The doctor will speak to you following the procedure.


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