• On the day of the colonoscopy, you will most likely be asked to arrive at the clinic up to an hour before the test is due to begin. This is to allow time to get ready for the test itself and to ask further questions. In addition, you will be asked the following questions:
* When did you last eat?
* What allergies do you have?
* Did you remember to take all your bowel preparation medication?
* Once you are undressed and changed into an examination gown, your vital signs (blood pressure, heart rate, respiration rate, and temperature) will be monitored and an intravenous line (IV) will be placed. This IV is necessary to give you sedation and pain medication that may be required during the test. Although you will not be fully asleep during the procedure, these medications will produce a sleepy state (sedation) and make the test more comfortable.
* The procedure will begin with you lying flat on your left side. The equipment used, the colonoscope, is lubricated to allow it to enter the anus. For a thorough investigation, air is required to gently open the folded colon. This may cause a temporary uncomfortable bloated sensation. When the doctor applies gentle pressure, the colonoscope moves further into the colon and is slowly advanced until the entire colon is seen.
* The colonoscope has a tiny camera on the end of it, which is connected to a monitor. This allows the physician to see the colon through the tip of the instrument even when it is far inside the body. As the scope passes the course of the colon, the normal turns and contours of the colon may impede the passage of the scope. You may be asked to change positions for better visualization. It is common for fluid and gas to escape through the rectum and anus; this should be expected. The entire procedure can take from 30 minutes up to 1 hour.
* In addition to simply viewing the bowel wall, the colonoscope has special attachments that allow the doctor to collect tissue samples or biopsies, remove small growths, and stop bleeding with laser, heat, or medication.
After the Procedure
When the colonoscopy is done as an outpatient procedure (without checking into the hospital), you will go home later that same day. But before you go home, you will be observed for some time and monitored until the effects of the medications are gone. It is a good idea to make arrangements for someone to come to the clinic and take you home, because nausea, bloating, and drowsiness can continue for some time after the procedure.
* When did you last eat?
* What allergies do you have?
* Did you remember to take all your bowel preparation medication?
* Once you are undressed and changed into an examination gown, your vital signs (blood pressure, heart rate, respiration rate, and temperature) will be monitored and an intravenous line (IV) will be placed. This IV is necessary to give you sedation and pain medication that may be required during the test. Although you will not be fully asleep during the procedure, these medications will produce a sleepy state (sedation) and make the test more comfortable.
* The procedure will begin with you lying flat on your left side. The equipment used, the colonoscope, is lubricated to allow it to enter the anus. For a thorough investigation, air is required to gently open the folded colon. This may cause a temporary uncomfortable bloated sensation. When the doctor applies gentle pressure, the colonoscope moves further into the colon and is slowly advanced until the entire colon is seen.
* The colonoscope has a tiny camera on the end of it, which is connected to a monitor. This allows the physician to see the colon through the tip of the instrument even when it is far inside the body. As the scope passes the course of the colon, the normal turns and contours of the colon may impede the passage of the scope. You may be asked to change positions for better visualization. It is common for fluid and gas to escape through the rectum and anus; this should be expected. The entire procedure can take from 30 minutes up to 1 hour.
* In addition to simply viewing the bowel wall, the colonoscope has special attachments that allow the doctor to collect tissue samples or biopsies, remove small growths, and stop bleeding with laser, heat, or medication.
After the Procedure
When the colonoscopy is done as an outpatient procedure (without checking into the hospital), you will go home later that same day. But before you go home, you will be observed for some time and monitored until the effects of the medications are gone. It is a good idea to make arrangements for someone to come to the clinic and take you home, because nausea, bloating, and drowsiness can continue for some time after the procedure.
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