The anæsthetist's pocket companion / by Robert Marston.

  • Marston, Robert.
Date:
[1899?]
Catalogue details

Licence: Public Domain Mark

Credit: The anæsthetist's pocket companion / by Robert Marston. Source: Wellcome Collection.

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    distinguishes that method, as the most reckless, and the most dangerous of all administrative methods in use, indeed, says Dr. Snow, “ the “ advocates of this plan, proceed on the sup- “ position that there is no occasion to regulate “ proportions, and it is only requisite that “ the patient should have sufficient air for the “ purpose of respiration, and sufficient Chloro- “ form to induce insensibility, and all will be “ right. The truth is, however, that if there be “ too much vapour of Chloroform in the air “the patient breathes, it may cause sudden ‘‘death, even without previous insensibility, “and whilst the blood in the lungs, is of a “florid red colour,” Referring to the same method, Dr Quain observes—“The advantages of a more precise measurement of the quantity of chloroform vapour, than is afforded by towels or napkins, will appear when we consider the several circumstances that alter it when given 1st. —The extent of surface of chloroform, 2nd.—The temperature of the evaporating chloroform, which is constantly changing. 3rd.—The temperature of the air of the room; of the patient’s face; and the operator’s hands. 4th.—The distance at which the chloro form is held from the face. 5th.—The rapidity of the current of air. 6th.—The height of the barometer.”