John H. Packard's primary ether anesthesia.


ETHER has long been known to cause a short period of analgesia before inducing unconsciousness and surgical anesthesia. In 1794, Thomas Beddoes had already provided relief with a short inhalation of ether for a young woman suffering from a painful mastitis John Snow also alluded to that initial analgesic stage in his 1847 book on ether. Deep anesthesia was… (More)


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