Before painless gastroscopy should be fasting and drinking, perfect preoperative examination, etc..
Before painless gastroscopy for the examined person, need to fast for 8 hours, to ensure that the fasting state, to avoid the next day’s examination of residues affecting the examination. If you suffer from pyloric obstruction, you should fast for 2 to 3 days, if necessary, preoperative gastric lavage. The food accumulated in the stomach will be removed.
In addition, if the examined person suffers from hypertension, he/she should take oral antihypertensive drugs as required. Hepatitis B, blood routine, coagulation function, electrocardiogram and other tests are routinely performed before the examination.
As for the examiners, they need to communicate actively with the examinees before the painless gastroscopy, give them psychological counseling if necessary, eliminate negative emotions, and tell them that they need to cooperate with swallowing movements and deep breathing, so as to alleviate the discomfort of the pharynx.
In addition, before the painless gastroscopy, intravenous anesthesia should be applied to the examined person, so that he or she can complete the overall examination process in a painless and sleep state.
Patients should undergo the examination under the guidance of a doctor.