BACK TOTOP Browse A-ZSearchBrowse A-ZABCDEFGHIJKLMNOPQRSTUVWXYZ0-9 E-mail FormEmail ResultsName:Email address:Recipients Name:Recipients address:Message: Print-FriendlyBookmarksbookmarks-menuGastric suctionGastric lavage; Stomach pumping; Nasogastric tube suction; Bowel obstruction - suctionGastric suction is a procedure to empty the contents of your stomach. How the Test is Performed A tube is inserted through your nose or mouth, down the food pipe (esophagus), and into the stomach. Your throat may be numbed with medicine to reduce irritation and gagging caused by the tube.Stomach contents can be removed using suction right away or after spraying water through the tube. How to Prepare for the Test In an emergency, such as when a person has swallowed poison or is vomiting blood, no preparation is needed for gastric suction.If gastric suction is being done for testing, your health care provider may ask you not to eat overnight or to stop taking certain medicines. How the Test will Feel You may feel a gagging sensation as the tube is passed. Why the Test is Performed This test may be done to:Remove poisons, harmful materials, or excess medicines from the stomach Clean the stomach before an upper endoscopy (EGD) if you have been vomiting blood EGDEsophagogastroduodenoscopy (EGD) is a test to examine the lining of the esophagus, stomach, and first part of the small intestine (the duodenum)....ImageRead Article Now Book Mark Article Collect stomach acid Relieve pressure if you have a blockage in the intestines Risks Risks may include:Breathing in contents from the stomach (this is called aspiration) Hole (perforation) in the esophagus Placing the tube into the airway (windpipe) instead of the esophagus Minor bleedingOpen ReferencesReferencesHolstege CP, Borek HA. Decontamination of the poisoned patient. In: Roberts JR, Custalow CB, Thomsen TW, eds. Roberts and Hedges' Clinical Procedures in Emergency Medicine and Acute Care. 7th ed. Philadelphia, PA: Elsevier; 2019:chap 42.Meehan TJ. Approach to the poisoned patient. In: Walls RM, Hockberger RS, Gausche-Hill M, eds. Rosen's Emergency Medicine: Concepts and Clinical Practice. 9th ed. Philadelphia, PA: Elsevier; 2018:chap 139.Pasricha PJ. Gastrointestinal endoscopy. In: Goldman L, Schafer AI, eds. Goldman-Cecil Medicine. 26th ed. Philadelphia, PA: Elsevier; 2020:chap 125.AllVideoImagesTogGastric suction - illustration Gastric suction is perform to empty the contents of the stomach before it passes through the rest of the digestive tract.Gastric suctionillustrationGastric suction - illustration Gastric suction is perform to empty the contents of the stomach before it passes through the rest of the digestive tract.Gastric suctionillustration Tests for Gastric suction Gastric suctionRelated Information Review Date: 9/28/2020 Reviewed By: Debra G. Wechter, MD, FACS, general surgery practice specializing in breast cancer, Virginia Mason Medical Center, Seattle, WA. Also reviewed by David Zieve, MD, MHA, Medical Director, Brenda Conaway, Editorial Director, and the A.D.A.M. Editorial team. The information provided herein should not be used during any medical emergency or for the diagnosis or treatment of any medical condition. A licensed medical professional should be consulted for diagnosis and treatment of any and all medical conditions. Links to other sites are provided for information only -- they do not constitute endorsements of those other sites. © 1997- © 1997- All rights reserved. A.D.A.M. content is best viewed in IE9 or above, Firefox and Google Chrome browser.Content is best viewed in IE9 or above, Firefox and Google Chrome browser.