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Gastric suction

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Illustrations

Gastric suction
Gastric suction

Alternative Names    Return to top

Gastric lavage; Stomach pumping; Nasogastric tube suction

Definition    Return to top

Gastric suction is done to empty the contents of the stomach. The purpose of gastric suction is usually for tests, or for removal of materials such as poisons.

How the Test is Performed    Return to top

A tube is inserted through the nose or mouth, down the esophagus (food pipe), and into the stomach. Sometimes a numbing medicine may be given to minimize irritation and gagging as the tube is being inserted.

Stomach contents can be removed using suction immediately, or after spraying water through the tube.

How to Prepare for the Test    Return to top

In an emergency setting, such as when a patient has swallowed poison or is vomiting blood, no preparation is needed for gastric suction. When it is done for the purpose of testing, your doctor may ask you not to eat overnight, or stop taking certain medications.

How the Test Will Feel    Return to top

You may feel a gagging sensation as the tube is passed.

Why the Test is Performed    Return to top

This test may be performed for several different reasons, including:

Risks    Return to top

There is a very small risk of the tube being accidentally placed into the airway instead of the esophagus.

Other small risks include the following:

Update Date: 10/13/2006

Updated by: Jenifer K. Lehrer, MD, Department of Gastroenterology, Frankford-Torresdale Hospital, Jefferson Health System, Philadelphia, PA. Review provided by VeriMed Healthcare Network.

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