Painless colonoscopy usually takes about 20 to 30 minutes.
Painless colonoscopy is a colonoscopy performed under anesthesia, which is the use of anesthesia medication that causes central inhibition and can eliminate fear and discomfort. Anesthesia medication is first used before the examination, which usually takes 5~10 minutes.
After the anesthesia takes effect, the colonoscopy can be carried out, in most cases, it takes 3~5 minutes to complete the examination, but if there are some special circumstances, such as polyps, etc., may need to be resected, in addition, if an unidentified mass is found, it is also necessary to take the tissue for biopsy, the examination time may be a little bit longer, and it may take about 10 minutes.
After the examination, it is necessary to observe for a few minutes, if there is no abnormality, the examination can be completed, the whole process usually takes about 20 to 30 minutes.
Each person’s situation is different, painless colonoscopy examination time may vary, should be actively cooperate with the doctor for examination.