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Fig. 5 | BMC Nursing

Fig. 5

From: A breath of fresh air: a quality-improvement study comparing an air-circulating technique versus conventional technique to prevent nasogastric tube dysfunction

Fig. 5

Properly Functioning NGT. While continuous suction is applied to the larger, white, suction port, air injected through the smaller, blue, air-sump port must be seen circulating out the suction tubing to be sure that the stomach is empty. When room air is pulled into the blue air-sump port, a reassuring whistle is sometimes heard. A 4-minute video demonstrating these principles and technique [16] is available at www.youtube.com/watch?v=VHmQdCTfIzY

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