Matters to pay attention to before gastroenteroscopy are perfecting preoperative examination, fasting and water prohibition, intestinal preparation, removing foreign bodies, adjusting medication and so on.
1. Improve the preoperative examination: before gastroenteroscopy, tests for hepatitis B, AIDS and other diseases, liver function, routine electrocardiogram and other tests should be carried out.
2. Fasting and water fasting: fasting and water fasting should be done within 6-8 hours before gastroenteroscopy, and light and easy-to-digest food with little or no residue should be consumed for 3 days before the examination.
3. Bowel preparation: bowel cleansing is needed before colonoscopy, usually there are two methods of oral polyethylene glycol electrolyte powder and clean enema until yellow dilute watery stools without fecal sludge are passed.
4. Removal of foreign objects: Remove foreign objects in the mouth and nasal cavity, such as invisible braces.
5. Adjustment of medication: anticoagulant and blood-activating drugs should be discontinued before surgery if possible, whether or not they can be discontinued and for how long should be decided according to the patient’s specific situation. Other drugs should be discontinued on the day of gastroscopy as far as possible, if you have to take them, you should inform the doctor in advance, for example, the drugs for controlling high blood pressure can be temporarily changed to contain the dosage form or swallowed with a small amount of water.
All of the above drugs are contraindicated for those who are allergic to them and should be taken in accordance with medical advice. It is recommended to prepare for gastroenteroscopy under the guidance of a doctor to avoid adverse effects.