[Abstract]:? This is a problem that many patients who want to have colonoscopy are very concerned about. Because many people don't understand this aspect, it is easy to go to the hospital without examination, which delays patients' precious time. Therefore, it is necessary to know the precautions of colonoscopy in time so that patients can have a smooth examination. ? This is a problem that many patients who want to have colonoscopy are very concerned about. Because many people don't understand this aspect, it is easy to go to the hospital without examination, which delays patients' precious time. Therefore, it is necessary to know the precautions of colonoscopy in time so that patients can have a smooth examination. Take laxatives and drink plenty of water the night before the examination. 2. Three days before the examination, stop taking Yao products and start eating semi-liquid or low-residue diets, such as fish, eggs, milk, bean products, porridge, noodles, bread, bananas, wax gourd and potatoes. 3, check, the patient first take the left lateral position, abdominal relaxation, bend your knees. Change the body position according to the doctor's request during the examination. 4. Eat a slag-free liquid diet or fast on the day of inspection, clean the intestines 2 hours before inspection, and rest quietly half an hour before inspection. If there is any pain during the examination, tell the doctor immediately so that the doctor can insert the mirror safely. 6. Rest after inspection 1-2 days. If you have severe abdominal pain, bloating and bloody stool, you should go to the hospital immediately. Chengdu Dongda Anorectal Hospital adopts Korean painless electronic colonoscopy and Olympus electronic colonoscopy, and the diagnosis rate is high. 1, upper gastrointestinal examination by Olympus electronic gastrointestinal mirror. The equipment integrates the functions of examination, diagnosis and treatment. The endoscopic potential of the new ultrasound system has been brought into play as never before, with clear images, delicate lenses and large depth of field. Intestinal mucosal lesions of ascending colon, transverse colon, descending colon and rectum can be directly observed, and the examination of small lesions, precancerous lesions and early colon tumors is more accurate. In particular, it can be used to treat colon polyps under microscope. 2. Korean electronic anorectal imaging mirror is used for lower digestive tract examination. The equipment adopts medical video and camera technology, and the image of intestinal mucosa is transmitted to the computer processing center through the electronic camera probe installed at the front end of anorectal mirror, and then displayed on the monitor screen, so that the tiny changes of intestinal mucosa can be observed. Such as cancer, polyp, ulcer, erosion, hemorrhage, pigmentation, vasodilation and dilation, congestion and edema. , can break the disadvantages of traditional anorectal examination, can be magnified dozens of times at the same time to clearly observe the focus, clear positioning. (Author: Editor: Hu Xiaoyang Source: Chengdu Dongda Anorectal Hospital) Keywords: