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Nasogastric Tubes

NUR 390 Nasogastric Tubes & Enteral Feedings

Question	Answer
What is an NG tube?	A pliable hollow tube inserted through the nasopharynx into the stomach.
What are the purposes of NG tubes?	Decompression, Feeding (gavage), Medication admin, Compression, Lavage
What is the difference between Decompression and Lavage?	Decompression is removal of gastric contents while Lavage is washing out the stomach by instilling liquid and removing it.
Give an example of when a Lavage is preformed.	When a pt overdoses and the stomach needs to be cleared out.
What type of NG tube is small in diameter often w/ a weighted tip and placed with a stylet?	Nasogastric Feeding Tube
What is another name for a Nasogastric Feeding Tube?	Dobhoff
Once a stylet is removed, when can it be reinserted?	Never, bc it can puncture the tissue lining.
What type of NG tube has a larger lumen and is used to quickly drain stomach contents?	Single Lumen tube (Levin)
What type of suctioning is peformed with a Levin (single lumen) tube?	Intermittent because they have no air vents.
What type of NG tube is usually chosen for Decompression, has a large lumen for suctioning w/ a small lumen for an air vent?	Salem Pump (double lumen sump pump)
How can NG tube placement be verified?	X-ray, pH testing, Auscultatory method, sterile Dye
When conducting a pH test to verify a NG tube, the contents appear green, clear, or have bile, where is the tube located?	Stomach pH 1-4
When conducting a pH test to verify a NG tube, the contents appear light yellow, where is the tube located?	Intestines pH 6 or greater
When conducting a pH test to verify a NG tube, the contents appear white, clear, or tan sputum, where is the tube located?	Pleural pH 6 or greater
What should be done before and after medication admin via NG tube?	Check placement and flush the tube before and after meds.
After giving out meds via NG tube, how long is the suction turned off and disconnected for?	30-60 minutes
What routes can enteral feedings be given?	NG, NJ, gastric or jejunal routes.
What must be done in order to prevent aspiration during enteral feedings?	Elevate HOB at least 30 degree's.
At what temperature should the feeding formula be given to prevent abdominal cramping?	Room temperature
How often is the tubing and bag for enteral feeding changed?	Every 24 hours
How much tap water should the tube be flushed with after an Intermittent Enteral feeding?	20-60 mL
Why are intermittent enteral feedings given slowly?	To prevent distention, cramps, nausea, and vomiting.
What should be done every 4 hours when giving continuous enteral feedings?	Recheck placement of tube and residual.
During a continuous enteral feeding, when should the aspirate be put reinstilled and why?	If under 100 mL to prevent fluid and electrolyte loss. (Adults Only)

Created by: jesusrvillarreal

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