How to do electronic colonoscopy

Electronic colonoscopy is performed by colonoscopy from the anus, retrograde upward, through each intestinal segment, to check for tumors, inflammation, polyps, ulcers, diverticula, etc. Ordinary colonoscopy is performed when the patient is awake and uncomfortable. Therefore, painless colonoscopy is recommended, that is, colonoscopy is performed under general anesthesia. The patient is in deep sleep and has no consciousness or feeling during the examination.