Colonoscopy, what is the method of intestinal examination?

Colonoscopy is an examination method in which a colonoscope is inserted through the anus into the ileocecal area to observe colon lesions from the mucosal side. It is currently the best choice for diagnosing colorectal mucosal lesions. It transmits the image of the colon mucosa to the electronic computer processing center through an electronic camera probe installed at the front end of the colonoscope, and then displays it on the monitor screen. The tiny details of the colon mucosa can be observed. change.

Colonoscopy crowd.

1. Unexplained lower gastrointestinal bleeding. 2. Unexplained chronic diarrhea; 3. Unexplained low intestinal obstruction; 4. Suspected tumors of the large intestine or terminal ileum; 5. Colon polyps, tumor bleeding and other lesions requiring colonoscopy treatment; 6. Colon surgery and colonoscopy treatment Those who need regular follow-up colonoscopy after surgery; 7. Colorectal cancer screening. 8. Those who have colorectal cancer or adenoma in their family and need to undergo a physical examination. 9. Health examination for people over 40 years old who have never had colonoscopy.

Preparation before examination

1. The examination date will be arranged by the doctor. Examination location: Outpatient gastroscopy room.

2. Bowel preparation is required to undergo this examination.

3. Three days before the examination, it is advisable to eat a semi-liquid diet without or with little residue, and do not eat vegetables or fruits. If intestinal polyps are suspected, those preparing for electroresection should not eat milk and dairy products.

4. Take 25ml of castor oil orally at 6:30 in the morning on the day of the examination and fasting for breakfast. Start taking colon cleansing liquid at 9:30 in the morning. Each pack of boiled water is 1000ml. Drink 3000ml of colon cleansing liquid within one and a half hours. If there is still fecal residue in the bowel movement, you need to drink another 1000ml of colon cleansing solution until the discharge is clear water. If nausea or vomiting occurs, inform the doctor or nurse and give a clean enema if necessary.

5. You can eat at 2 o'clock in the afternoon and avoid eating liquids. At 3 o'clock, the nurse will take you to the outpatient gastroscopy room. The nurse will inject you with 10 mg of diazepam and 0.5 mg of atropine 30 minutes before the examination to relieve intestinal pain. The mirror causes you discomfort.

6. It is not advisable to bring electronic devices such as mobile phones and BB machines into the gastroscopy room to avoid interfering with the normal operation of the machine.

7. Three days before the examination, stop taking iron pills and start eating semi-liquid or low-residue diet, such as fish, eggs, milk, soy products, porridge, noodles, bread, bananas, wax gourd, and potatoes. wait.