A Practical Guide to the Administration of Anaesthetics

A Practical Guide to the Administration of Anaesthetics

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This historic book may have numerous typos and missing text. Purchasers can usually download a free scanned copy of the original book (without typos) from the publisher. Not indexed. Not illustrated. 1909 edition. Excerpt: ...too, if given from the first in a sufficiently diluted form, is generally so pleasant that gas is not required to disguise it. CHAPTER IV ETHYL CHLORIDE Chloride of ethyl (C2H5C1) was employed for general anaesthesia about fifty years ago; but on account of the unsatisfactory symptoms which often accompanied its administration it was discontinued, and till the last few years was only used locally. It was then discovered that many of the previous bad results were caused by impurities of manufacture, and since it has been prepared more carefully, its effects have been more satisfactory. Ethyl chloride is a colourless liquid of a specific gravity of o.920, and boils at 54.5 F. When it evaporates from blotting paper it should give off no unpleasant smell. It is generally supplied in glass bottles containing 60 c.c. which are fitted with a metal stopcock, the liquid being obtained by pressing a spring. It is also supplied in glass capsules containing 3 or 5 c.c. The ethyl chloride for inhalation is labelled to distinguish it from that which is not so carefully prepared, and is intended for local analgesia. The recent revival of ethyl chloride as a general anaesthetic dates from 1901-2, when Rolland and Robinson demonstrated the advantages of a drug which they called "Somnoform." This is a mixture of 60 parts of ethyl chloride with 35 parts of methyl chloride, and 5 of ethyl bromide. This mixture easily decomposes and becomes unpleasant, from the evolution of free bromide, and, together with "kelene," and other drugs which are principally composed of ethyl chloride, it has been abandoned for the pure chloride of ethyl. Apparatus The inhalers devised for the administration of ethyl chloride are almost innumerable, but all are...show more

Product details

  • Paperback | 58 pages
  • 189 x 246 x 3mm | 122g
  • Rarebooksclub.com
  • United States
  • English
  • black & white illustrations
  • 1236969057
  • 9781236969057