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(Chest. 1974;65:84-87.)
© 1974 American College of Chest Physicians

Pressure Measurements in Endotracheal Cuffs: A Common Error

Paul M. Cox Jr. M.D.1 and M. Elizabeth Schatz R.N., A.R.I.T.1

1 Department of Pulmonary Medicine, University of Colorado Medical Center, Denver

The conventional method of measuring cuff pressures from endotracheal or tracheostomy tubes by injecting air from a syringe via a three-way stopcock into the cuff, then allowing equilibration with a manometer gives false low pressure measurements because of the dead space of the tube and manometer system. The correct way to measure intracuff pressures is with a four-way stopcock which fills the balloon and measures pressure simultaneously.




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 Canadian J. AnesthesiaHome page
K. Araki, R. Nomura, R. Urushibara, Y. Yoshikawa, and Y. Hatano
Bronchial cuff pressure change caused by left-sided double-lumen endobronchial tube displacement
Can J Anesth, August 1, 2000; 47(8): 775 - 779.
[Abstract] [Full Text] [PDF]


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Copyright © 1974 by the American College of Chest Physicians.