Enteroscopy and gastroscopy are common tests for diagnosing digestive diseases. In order to ensure the effect of the examination, before the colonoscopy and gastroscopy, patients need to keep an empty stomach for 8 hours, and have a liquid diet, make intestinal preparation, and perfect the preoperative examination.
1. 8 hours of fasting before the examination: gastroscopy or colonoscopy, in order to better see the specific situation of the digestive tract mucosa, the digestive tract should be kept in a clean state. Therefore, food intake should be stopped 8-10 hours before the examination to keep the stomach or intestines as clean as possible.
2. Start a liquid diet about three days before the examination: To avoid increasing the burden on the digestive tract, you should minimize the intake of hard or indigestible food about three days before the gastroscopy and colonoscopy, try to use low residue food, and avoid dragon fruit, tomatoes, and other foods that have a special color.
3. Bowel preparation: the observation site of colonoscopy is special, and the accumulation of food residues or feces will easily affect the observation field, patients can use laxatives to clean up the intestines under the guidance of physicians before the examination, such as polyethylene glycol electrolyte dispersions.
4. Improve the preoperative examination: before gastroscopy and colonoscopy, some medical institutions may need patients to improve the preoperative eight, coagulation function, blood analysis and other tests, for the elderly, basic heart disease may also need to improve the electrocardiogram examination and so on. Patients need to consult their doctors before the examination and follow the doctor’s instructions.
Before gastroscopy and colonoscopy, patients should follow the physician’s instructions, make good preparations, and adjust their physical and mental state so that the examination can be carried out smoothly.