? What is the purpose of the blue port on the Salem sump NG? The blue port allows for an inflow of atmospheric air, which prevents a vacuum if the gastric tube adheres to the wall of the stomach.Click to see full answer. Herein, what is the function of the blue air vent on the Salem sump NG tube?If using Salem sump, the blue pigtail or air vent should be positioned above the level of the stomach to avoid back flow of stomach secretions. An anti-reflux valve is attached to the blue pigtail to prevent gastric contents from seeping out.One may also ask, what is the anti reflux valve used for in NGT? A valve to prevent gastric reflux or leakage through the vent lumen of a double-lumened nasogastric tube. The valve allows the passage of air into the vent lumen when atmospheric pressure exceeds stomach pressure. When stomach pressure exceeds atmospheric pressure the valve prevents flow of fluids through the tube. Likewise, what is a Salem sump used for? Salem sump tube a double-lumen nasogastric tube used for suction and irrigation of the stomach. One lumen is attached to suction for the drainage of gastric contents and the second lumen is an air vent.Can a Salem sump be used for feeding?NG tubes are also available in a larger diameter (e.g., Salem sumps). Large-bore NG tubes can be used for feeding or administering medication, but their primary functions are gastric suctioning and decompression. The feeding tube placement site also affects drug absorption.
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