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EDITORIAL 315 IN our more optimistic moments we hope that our readers will peruse all the articles in the B. J. A., and understand at least some of ...

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EDITORIAL

315

IN our more optimistic moments we hope that our readers will peruse all the articles in the B. J. A., and understand at least some of them. But if perchance this is too much to expect we should like to call attention to the article " On Looking up the Literature " kindly written f»r us by Mr. W. A. Lee, the librarian of the Liverpool Medical Institution, a position which he has held for more than a quarter of a century. If our contributors will take the advice given by this expert it will save not only their own time, but ours.

NEW FILM THE following film has been added to the I.C.I. Film Library: Relief of Pain in Childbirth. Cat. No. M.33. Running time: 18 minutes. 16 mm. Colour. Made in collaboration with the Department of Gynaecology and Obstetrics, Guy's Hospital, London. After giving a definition of the ideal obstetric analgesic, a description is given of the two inhalation methods which have become most popular in Great Britain. They employ nitrous oxide and trichlorethylene. The properties of nitrous oxide are described together with the principles of its administration. The auto-administration

by the mother of nitrous oxide and air is the standard method in use. Apparatus for its administration is shown. "Trilene" is described, together with principles of its administration. Many inhalers are shown. For the successful auto-administration of "Trilene", it is necessary that the inhaler should be capable of delivering the right concentration of trichlorethylene vapour. To do this the inhaler must possess automatic compensating devices for operating under different physical conditions. The latest inhaler, which operates on the principle of a carburettor, is shown. Finally, the administration of analgesia by either agent is demonstrated and the importance of proper instruction in advance of the time of need is emphasized.

Downloaded from http://bja.oxfordjournals.org/ at The University of British Colombia Library on June 27, 2015

associated with this drug, although it has only been introduced for about three years would be a task of mammoth dimensions, and quite impracticable for the hard-pressed and fatigued clinician. Dundee, in the current Educational Supplement, has attempted to summarize the important literature and to assess to some extent its value in relation to anaesthesia in the widest sense. Complementary to this review Millar's essay on the present position on the much disputed techniques in general anaesthesia associated with this drug will be found helpful by many.