Anesthesia has been one of medicine's greatest contributions to humanity. No doubt its use has been a great factor in increasing man's longevity, in that it has made possible corrective surgical procedures that otherwise would have been impossible. But, like every other great advance in medicine, it has been by trial and error that we have arrived at our present stage of progress in this field, and there is still much to be desired.
As a result of anesthetic failures, the terms "cardiac arrest" and "respiratory failure" have become so prominent in our medical literature today that every surgeon and every anesthetist who has the responsibility of another case must ever keep in mind the possibility of their occurrence.
"Cardiac arrest" may simply be a result of anoxemia occurring during an anesthetic procedure, or there may be, as many authorities believe, other factors involved. "Respiratory failure" may be a result
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