Houston Digestive Diseases Clinic 
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Gastroscopy or Upper G.I. Endoscopy:
The gastrointestinal endoscopy or gastroscopy is a procedure in which your doctor views the inside of your esophagus, stomach and duodenum. The doctor will use a small, lighted flexible tube thinner than most of the food you swallow to examine the lining of the upper digestive tract.  We will numb your mouth and throat and use tranquilizers to relax you.  We don't obstruct breathing passages.  We make a special effort to keep you comfortable.  In fact, most patients don't even remember the procedure. The procedure usually takes approximately   10-20 minutes

PREPARATION FOR THE PROCEDURE:
If blood work is required, please complete at least 2 days prior to the procedure. Preparation for the procedure only requires being empty stomach after midnight. If you have not already done so, you will have an opportunity to discuss this procedure with your physician or nurs