A mini blind study Richard Purchon RODP (2017) Introduction There are currently two ways of testing Endo Tracheal Tube (ETT) cuffs prior to use. Positive and Negative pressure testing. The manufacturers recommend testing tubes before use, however there are no official guidelines. With the two different techniques being used, depending on individual practice and experiences … Continue reading Endo Tracheal Tube cuffs, which is more effective negative or positive pressure testing?