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Alternative names Return to top
Gastric lavage; Stomach pumping; Nasogastric tubeDefinition Return to top
Gastric suction is a procedure to empty the contents of the stomach, usually for analysis or removal of irritating elements such as poisons.How the test is performed Return to top
A tube is inserted through the nose or mouth, down the esophagus, and into the stomach. Sometimes a topical anesthetic may be applied to minimize irritation and gagging as the tube is being placed.
Stomach contents can be removed using suction immediately or after irrigating 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 analysis of gastric acid, your physician may ask you to fast 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, such as:What the risks are 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:
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Page last updated: 28 October 2004 |