A patient is concerned about leakage of gastric contents out of the gastric sump tube the nurse has just inserted. What would the nurse do to prevent reflux gastric contents from coming through the blue vent of a gastric sump tube?
A) Prime the tubing with 20 mL of normal saline.
B) Keep the vent lumen above the patient's waist.
C) Maintain the patient in a high Fowler's position.
D) Have the patient pin the tube to the thigh.
Ans: B
Feedback:
The blue vent lumen should be kept above the patient's waist to prevent reflux of gastric contents through it; otherwise it acts as a siphon. A one-way anti-reflux valve seated in the blue pigtail can prevent the reflux of gastric contents out the vent lumen. To prevent reflux, the nurse does not prime the tubing, maintain the patient in a high Fowler's position, or have the patient pin the tube to the thigh.
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