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Providence, R. I.
Abstract
IN THE METHODS of securing general anesthesia most commonly employed, the liquid anesthetic is applied to an absorbent material so placed near the patient's face that the inspired air passing through the material becomes charged with the vapor of the anesthetic. With these methods a certain amount of rebreathing is inevitable. If rebreathing is considerable, the method is known as a closed method; if rebreathing is slight it becomes an open one. The present tendency is toward the adoption of one or the other of these methods and its indiscriminate use for all cases. Yet these methods at the best are crude, unscientific, and unworthy of consideration alongside modern rehned surgical technic. In some of the more delicate operations, such as those involving the upper air passages, the usual methods of anesthesia are a distinct handicap to the surgical work. To find satisfactory methods of anesthesia for all cases we must look among the unusual methods.
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