colonoscopy

Colonoscopy is a method of examining colonic lesions from the mucosal side by inserting the colonoscopy into the ileocecal region through the anus. It is the best choice for the diagnosis of mucosal lesions of the large intestine. It transmits the image of the colonic mucosa to the computer processing center through an electronic camera probe installed at the front end of the enteroscopy, and then displays it on the monitor screen to observe the tiny mucous membrane of the large intestine. Variety. Basic Information Specialist classification: Digestive examination classification: endoscope Applicable gender: whether men and women apply fasting: fasting Tips: Peritonitis, intestinal perforation, etc. should not be checked to avoid exacerbating the disease; women should strictly control the indications during pregnancy and be careful. Normal value About 4 hours before the examination, 50 grams of adults, children 25-35 grams of magnesium sulfate powder and 100 ml of warm boiled water orally, and then oral boiled water 2000-2500 ml within 1 hour. Generally, defecation begins after about half an hour, and the feces in the large intestine can be basically cleared after 5-7 times of diarrhea. Some patients may have vomiting during the bowel preparation process, which may be related to the stimulation of magnesium sulfate and the large amount of drinking water in a short time. The magnesium sulfate may be mixed into the beverage and then taken orally, and then the boiled water is slowly orally administered, so as not to cause obvious abdominal distension. If there is still no bowel movement after 4 hours of drinking, it will be invalid, that is, you should go to the hospital for cleansing and enema. Clinical significance Abnormal results: persistent abdominal pain; the pain is mostly in the lower abdomen, the degree is different, mostly pain or pain, and anemia is often accompanied by fatigue and unexplained weight loss. People who need to be examined: patients with intestinal diseases such as colitis, intestinal polyps, and rectal cancer. Positive results may be diseases: colon polyps, dry heart syndrome, ulcerative colitis, Lang-Ove syndrome, upper gastrointestinal bleeding, anorectal polyps, ischemic colitis in the elderly, rectal intussusception, Intervening schistosomiasis, elderly acute abdomen considerations Before inspection: 1. No smoking is allowed the day before the test. 2, to have adult relatives and friends to accompany, remove the denture before surgery, the woman to wear makeup. 3, fast food within 24 hours after the check, can not drink within 12 hours. 4. Do not drive motor vehicles, perform mechanical operations, or engage in aerial work within 24 hours after inspection. 5, two days before the examination, easy to digest the diet, semi-liquid, such as porridge, fasting food containing crude fiber. 6. Check the liquid diet of rice soup, milk, soy milk, etc. the day before, and check the fasting on the same day. Requirements for examination: After the patient is anesthetized, the examiner hands-on operation. After inspection: 1. After taking biopsy or polypectomy, please rest in bed absolutely, do not exercise vigorously within three days, do not do barium enema examination. After polypectomy, the doctor usually fasts for three days according to your situation and gives intravenous infusion. If there is no blood discharge, the situation is satisfactory and you can be discharged. 2. In the early stage, due to air accumulation in the large intestine, you may feel uncomfortable with abdominal distension, but it will gradually disappear after a few hours. If the bloating is obvious, you should tell the doctor or nurse that the doctor will give you the appropriate treatment. 3, if there is no special, you can take the general food or eat according to the doctor's advice. 4. If there is persistent abdominal pain, or if there is a lot of bleeding in the stool, you should tell the doctor promptly to avoid accidents. Inspection process Colonoscopy is the easiest, safest, and most effective method for finding intestinal tumors and precancerous lesions. But after all, endoscopy is an invasive method of examination, with some discomfort and complications. Therefore, many people are afraid of this kind of examination, which causes some large intestine lesions and even tumors to be diagnosed at an early stage, and delays the best treatment opportunity. In recent years, with the advancement of narcotic drugs and medical monitoring technology, painless colonoscopy has appeared. The essence is to intravenously inject an anesthetic drug with fast onset, short effective time and exact action before the examination, so that the patient can fall asleep within a few seconds, and wake up early after completing all the examinations. There will be no any during the examination. Discomfort and painful feelings are therefore more and more popular among patients. Not suitable for the crowd Inappropriate people: peritonitis, intestinal perforation, etc. should not be checked to avoid exacerbating the disease; women should strictly control the indications during pregnancy and be careful. Adverse reactions and risks Nothing.