What is Colonoscopy？
A colonoscopy is an exam your doctor uses to look inside your large intestine for possible causes of things like abdominal pain, rectal bleedings, or changes in bowel habits. Colonoscopy are used to prevent colorectal cancer usually starting at age 50. During the procedure, the doctor puts a tube-like instrument called a colonscope into your rectum. It’s long but only about a half-inch across. It has a light and video camera on the tip so the doctor can see the lining of your colon and tell if there is any problem. During the exam, your doctor can uses a small snare in the colonoscope to take tiny samples of your colon for testing, which is called a biopsy. He can also use it take out abnormal growths called polyps.
Why Would You Get a Colonoscopy?
A colonoscopy is one of the best ways to spot or help prevent colon cancer. Some doctors may recommend your first colonoscopy at age 50, because most people who get colorectal cancer are older than this. Besides, colonoscopy is used to investigate other diseases of the colon, for example, to find the place and cause of bleeding as well as to check areas for irritation or sores in the colon. These colon problems can cause unexplained changes in bowel habits. Pain, bloody diarrhea, and weight loss can be caused by inflammation of the bowel, which may be the result of Crohn's disease or ulcerative colitis. These inflammatory digestive diseases tend to occur in young adults and, if undetected, can produce chronic symptoms and increase the risk of colon cancer. Colonoscopy is used when there is concern a disease of the colon may exist.
To have a successful colonoscopy, you must have a clean colon. To make that happen you’ll have to fast and use strong laxative beforehand. It means you need to restrict your diet at least 3-5 days before the procedure. Your doctor is your best source of information about how to get ready. When you’re scheduled the procedure, you’ll get instructions.
Points to note may include:
A special cleansing solution will be prescribed by your doctor for bowel preparation.
Low-fiber food, plain food is recommended 2-3 days before the exam.
On the night before the exam is to be performed, nothing should be taken by mouth (food or liquids) until after the test is finished.
Instructions vary from clinic to clinic. But these instructions should be followed exactly as prescribed or the procedure may be unsatisfactory.
Once you have changed into one of our gowns you will be wheeled into the procedure room on a bed.
Sedating medication is given through an intravenous line to help you relax and to reduce pain.
Colonoscopy involves passing the endoscope along the whole of the rectum and colon.
During the procedure, abnormal growths, called polyps, can be removed before the transform into cancers.
Patients undergone colonoscopy sometimes experience a feeling of wind pain or cramp or feel like bloating and wanting to pass wind. This is due to some air is added to the bowel to get a clearer view during operation.
Most procedures take around 15-20 minutes.
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