Dr Rupert Ransford - Procedures

Having a Colonoscopy

What is a colonoscopy?

Whilst performing a colonoscopy, the endoscopist is able to look closely at the lining of your large bowel (colon). The instrument used is called a colonoscope which is a long flexible tube (about as thick as your first finger) with a bright light at the end. The colonoscope is able to transmit very clear pictures onto a television screen. If small samples of tissue (biopsies) need to be taken, tiny forceps are used to remove the sample and you will not feel anything.

Preparation for the test

To ensure that your bowel is clear for the examination you will be given a laxative with full instructions for the timing of this dependant on whether you have a morning or afternoon appointment for your colonoscopy. Some medications need to be stopped prior to the procedure and for a short time afterwards. These are listed below:

The examination

You will be given a some pain relief and a sedative drug before the test begins. These will be administered through a small cannula which is inserted into the back of your hand. Following your sedation the colonoscope is passed into the bowel. The test takes between 25 and 40 minutes. During the examination air will be inserted to partially inflate your bowel, this enables the lining of the bowel to be clearly seen.

Test results

You will be told the findings of the examination straight away. If you have had sedation you may not recall all that you have been told and you will receive written confirmation of the findings.

Going home

If you have had sedation it is very important that you have someone to accompany you home and stay with you for the remainder of the day.

Following sedation you should not:

Depending on the nature of your job, you should be able to return to work the next day.

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Consultant Gastroenterologist