OXYGENATION
Abstract
Abstract To the Editor.—The use of the Venturi oxygen injection technique in laryngoscopy should be of great interest to many endoscopists. In reading "Oxygen Injection in Suspension Laryngoscopy" by Barr et al in the June 1971 (Archives 93:606-609, 1971) two questions came to mind. (1) What are the real variations in pressure with this injector? (2) What would be the expected temporal changes in pH, Pco2, and Po2 following induction of general anesthesia, production of apnea...