Fig. 4From: A breath of fresh air: a quality-improvement study comparing an air-circulating technique versus conventional technique to prevent nasogastric tube dysfunctionNGT Function and Dysfunction. a Option 1: Empty stomach with properly functioning NGT; (b) Option 2: Full stomach with dysfunctional NGT. The red lines indicate gastric mucosal lining. When the lining is pulled into the suction holes, the stomach cannot emptyBack to article page