On recent researches upon nitrous oxide narcosis : and their bearing upon the practical question, when and how should laughing gas be administered? : read at the Annual General Meeting of the British Dental Association at Brighton, August, 1889 / by Dudley Wilmot Buxton.
- Buxton, Dudley Wilmot, 1855-1931.
- Date:
- 1889
Licence: Public Domain Mark
Credit: On recent researches upon nitrous oxide narcosis : and their bearing upon the practical question, when and how should laughing gas be administered? : read at the Annual General Meeting of the British Dental Association at Brighton, August, 1889 / by Dudley Wilmot Buxton. Source: Wellcome Collection.
Provider: This material has been provided by The Royal College of Surgeons of England. The original may be consulted at The Royal College of Surgeons of England.
10/18 page 8
![partly to reflux of blood driven back by the obstruction caused by the capillaries. Under gas there appears to] be a lessened tension evidenc- ing a lessened tidal wave, this lessened tension being shown Fig. 3.—Shows gradual resumption of normal characters during “ coming to.” by the greater acuteness of the initial curve, the dicrotic wave being placed lower down the curve, and the dicrotism in- creased, while to the finger the lift is perceptibly diminished. These results are most important, and are at variance with Fig. 4.—Continuation of 3; normal tidal wave re-appearing. much that has been published elsewhere—material based upon the very unreliable foundation of experiments con- ducted upon hospital patients, all more or less under the tyranny of fear or terror. ^KKUJXJV./ Fig. 5.—Normal trace. Case 2. * a The rhythm of the heart, at first accelerated, usually re- turns to its normal rate during narcosis, or drops a few beats. The blood pressure under nitrous oxide must next be con- sidered.](https://iiif.wellcomecollection.org/image/b22454858_0012.jp2/full/800%2C/0/default.jpg)
