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therapeutic irrigation or washing out of a body cavity or part.This is typically performed in acute-care settings, especially in cases of poisoning or drug overdose for which swift removal of stomach contents is required
a cavity or bore of a tubular organ or part
a device or aperture that allows the entry or exit of air; on a nasogastric tube, a branch of the main tube that is always open to the air, providing continuous atmospheric air irrigation
removal of stomach contents to relieve the stomach and intestines of pressure caused by the accumulation of gastrointestinal air and fluid
mechanical or functional obstruction of the intestines
a non-oxygen-carrying pigment
the presence of excessive methemoglobin (a non-oxygen-carrying pigment) in the blood
relevant diagnostic data before insertion
reasons for topical anesthetic
- -effective pain relief
- -to reduce the risk of nausea and vomiting,
- -to promote successful passage of the
- nasogastric tube
TRUE OR FASLE: Auscultation over the stomach while air is irrigated through the nasogastric tube is not a reliable method of assessing placement
- TRUE: you can also hear air over the stomach if the tube has been inserted in
- the lung. If fluid is to be administered though the tube, radiographic
- confirmation is strongly recommended.
Purposes of nasogastric intubation
- -to decompress the stomach and remove gas and fluid
- -to lavage the stomach to remove ingested toxins,
- -to diagnose problems with gastrointestinal motility and other disorders,
- -to treat an obstruction,
- -to compress a bleeding site,
- -to aspirate contents for analysis
- -to administer radiographic contrast media to the gastrointestinal tract.
stomach contents are removed to relieve the stomach and intestines of pressure caused by the accumulation of gastrointestinal air and fluid
Indication for Gastric Decompression
bowel obstruction and paralytic ileus and when surgery is performed on the stomach or intestine.
Indication for removal of gastric decompression
The tube usually remains in place until normal bowel function resumes, as evidenced by active bowel sounds on auscultation and/or when the patient is able to pass flatus