Before painless gastroenteroscopy, patients should pay attention to keeping fasting, stopping medication before the examination and perfecting other examinations.
1. Maintaining fasting: patients should fast for more than eight hours before painless gastroenteroscopy, ban water for more than four hours, before the examination, should eat non-dregs, easy to digest food, avoid eating high-fiber food, after the examination, can be gradually given fluids or semi-fluids, avoid eating spicy, stimulating food.
2. Stop taking medication before the examination: For some old or patients with underlying diseases, they can stop taking anticoagulant drugs, such as aspirin, warfarin, etc., before the examination, and it is recommended to stop taking medication for one week before the examination.
3. Improve other tests: patients should remove the denture before gastroenteroscopy, and also use polyethylene glycol electrolyte to clear the bowel, patients with heart disease should carry out electrocardiography, and patients with respiratory diseases should improve the respiratory system check.
In addition, patients need to be accompanied by family members during the examination, and should pay attention to the observation of defecation after the examination, if black stool, blood in the stool and so on, they should consult a doctor in time.