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Canadian Journal of Anesthesia, Vol 5, 154-160, Copyright © 1958 by Canadian Anesthesiologists' Society

Carbon Dioxide Accumulation: Valve Leaks and Inadequate Absorption

JAMES H. KERR M.B.1 and JOHN L. EVERS PH.D.1

1 Department of Anaesthesiology, Roswell Park Memorial Institute, Buffalo, N. Y.

The effects on an unmedicated subject of valvular leaks and inadequate carbon dioxide absorption in a circle and a to-and-fro system are investigated. The results are expressed in terms of elevated percentages of inspired carbon dioxide, and the increase in ventilation required to maintain carbon dioxide homeostasis in a particular subject is calculated.

Attention is drawn to the dangers of high inspired carbon dioxide levels in general anaesthesia and the necessity for maintaining adequate ventilation.

Note:

This study was supported in part by funds provided under Contract DA 49-007-MD-507 with the Division of Research and Development, Office of the Surgeon General, Department of the Army, U.S.A.

Presented at a meeting of the Ontario Division, Canadian Anaesthetists Society, Hamilton, Ontario, October 5, 1957.







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Copyright © 1958 by the Canadian Anesthesiologists' Society.