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Saturday, April 14, 2012

Video Guide: NGT (Nasogastric Tube) Insertion

NASOGASTRIC TUBE is inserted through one of the nostrils, down the nasopharynx and into the alimentary canal

• To administer tube feedings and medications to clients unable to eat by mouth or swallow a sufficient diet without aspirating foods or fluids into the lungs (gastric gavage)
• To establish a means for suctioning stomach contents to prevent gastric distention, nausea and vomiting. (gastric lavage)
• To remove stomach contents for laboratory analysis
• To lavage (wash) the stomach in case of poisoning or overdose of medications

- Nasogastric Tube ( Levin Tube )
- Clean gloves
- Water soluble lubricant
- Non allergic adhesive tape
- Glass of water or drinking straw
- Asepto syringe
- Basin
- Stethoscope
- pH test strip (optional)
- Facial tissue or cloth
- Clamp or plug (optional)

• Check the patency of nares and intactness of nasal tissue:

- Ask the client to hyperextend the head, using flashlight, observe the intactness of the tissue of the nostrils.

- Ask the client to breath through one nostril while occluding the other, select the nostril that has greater airflow.

• Determine presence of gag reflex
• Ability to cooperate with the procedure


1. Check physician’s order for insertion of nasogastric tube.

2. Explain procedure to patient.

3. Gather equipment.

4. If nasogastric tube is rubber, place it in a basin with ice for 5 to 10 minutes or place a plastic tube in a basin of warm water if needed.

5. Assess patient’s abdomen.

6. Perform hand hygiene. Don disposable gloves.

7. Assist patient to high Fowler’s position or to 45 degrees if unable to maintain upright position and drape his or her chest with bath towel or disposable pad. Have emesis basin and tissues handy.

8. Check nares for patency by asking patient to occlude one nostril and breathe normally through the other. Select nostril through which air passes more easily.

9. Measure distance to insert the tube by placing tip of tube at patient’s nostril and extending to tip of earlobe and then to tip of xiphoid process. Mark tube with a piece of tape.

10. Lubricate tip of tube (at least 1-2 inches) with water-soluble lubricant. Apply topical analgesic to nostril and oropharynx or ask patient to hold ice chips in his or her mouth for several minutes (according to physician’s preference).

11. After having the patient lift his or her head, insert tube into nostril while directing tube downward and backward. Patient may gag when tube reaches the pharynx.

12. Instruct patient to touch his or her chin to chest. Encourage him or her to swallow ever if no fluids are permitted. Advance tube in a downward-and-backward direction when patient swallows. Stop when patient breathes. Provide tissues for tearing or watering eyes. If gagging and coughing persist, check placement of tube with a tongue blade and flashlight. Keep advancing tube until tape marking is reached. Do not use force. Rotate tube if it meets resistance.

13. Discontinue procedure and remove tube if there are signs of distress, such as gasping, coughing, cyanosis, and inability to speak or hum.

14. Determine that tube is in patient’s stomach. Hold tube in place to keep it from withdrawing while placement is checked.

15. Attach syringe to end of tube and aspirate a small amount of stomach contents.
- Measure pH of paper or a meter.
- Visualize aspirated contents, checking for color and consistency.

16. Obtain radiograph of placement of tube (as ordered by physician).

17. Apply tincture of benzoin to tip of nose and allow to dry. Secure tube with tape to patient’s nose. Be careful not to pull tube too tightly against nose.
- Cut a 4-inch piece of tape and split bottom 2 inches or use packaged nose tape nasogastric tubes.
- Place unsplit end over bridge of patient’s nose.
- Warp split ends under tubing and up and over onto nose.

18. Attach tube to suction or clamp tube and cap it according to physician’s orders.

19. Secure tube to patient’s gown by using a rubber band or tape and a safety pin. If double-lumen tube is used, secure vent above atomach level. Attach at shoulder level.

20. Assist or provide patient with oral hygiene at regular intervals.

21. Perform hand hygiene. Remove all equipment and make patient comfortable.

22. Record the insertion skill, type, and size of tube and measure tube from tip of nose to end of tube. Also document description of gastric contents, which naris used, and patient’s

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