The Extra Work of Breathing Through Adult Endotracheal Tubes

Abstract
Ng ventilatory rate, tidal volume, and decreasing tube diameter. We discuss the suggestion that the work imposed on breathing by an endotracheal tube is a more appropriate unit for comparison than resistance to air flow. Address correspondence to Dr. Healy, Professor of Anaesthesia, University Department of Anaesthesia, University Hospital of South Manchester, Withington, Manchester M20 8LR, United Kingdom. The authors wish to thank M. Calpin for technical assistance. Accepted for publication March 3, 1986. © 1986 International Anesthesia Research Society...