Lubricant on the tubing has an unpleasant taste. Discomfort disappears when the test is finished. Equipment used Nasogastric tube. Description of test You or a close relative will be required to sign a consent form after the procedure has been explained to you. Relax as much as possible.
Lubricated tube is passed through the nose, down and back into the throat.
When the tube causes gagging, bend forward and sip water or ice chips. The tube is advanced into the stomach. Stomach contents are aspirated. Follow instructions concerning positions you must assume during the test. Sometimes the total stomach contents are withdrawn over a period of time by leaving the tube in place, clamping the tube and intermittently suctioning it.