An experimental inquiry into the properties of carbonic acid gas or fixed air : its mode of operation, use in diseases, and most effectual method of relieving animals affected by it ; being an inaugural thesis, submitted to the examination of the Rev. John Ewing, S.T.P. provost ; the Trustees and medical faculty of the University of Pennsylvania, on the 12th day of May, 1797 ; for the degree of Doctor of Medicine / by Joseph Johnson, of Charleston, (S.C.) member of the Chemical, and honorary member of the Philadelphia Medical Society.

  • Johnson, Joseph, 1776-1862.
Date:
1797
Catalogue details

Licence: Public Domain Mark

Credit: An experimental inquiry into the properties of carbonic acid gas or fixed air : its mode of operation, use in diseases, and most effectual method of relieving animals affected by it ; being an inaugural thesis, submitted to the examination of the Rev. John Ewing, S.T.P. provost ; the Trustees and medical faculty of the University of Pennsylvania, on the 12th day of May, 1797 ; for the degree of Doctor of Medicine / by Joseph Johnson, of Charleston, (S.C.) member of the Chemical, and honorary member of the Philadelphia Medical Society. Source: Wellcome Collection.

Provider: This material has been provided by the National Library of Medicine (U.S.), through the Medical Heritage Library. The original may be consulted at the National Library of Medicine (U.S.)

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    v/ife very exprefsly declared, that in fome perfons, they induce a degree of inebriety limilar to wine ; they generally increafe the appetite/' This experiment was repeated frequently, and always with the fame refults, viz. an increafe in 20 or 25 minutes, of pulfations from 8 to 12 in the minute, and as uniformly a diminution at the end of the hour, of from 4 to 8 flrokes in the minute. I thought it neceffary, however, to repeat it in a larger proportion. March 23d, having prepared fome water impregnated with the acid, fomewhat more highly than the laft; I drank a little better than three half pints, my pulfe beating 60 flrokes in the minute. My pulfe, in 5 minutes, beat 60 15 64 25 68 35 72 45 76 55 84 65 80 80 72 95 64 120 60 In 25 minutes after taking the draught, when the pulfations were 68 in the minute, my pulfe had evi- dently increafed in fulnefs and ftrength. I now felt more cheerful, with a difpofition, as I thought, to be mifchievous. When from j6 to 84, it beat violently, with a throbbing in my temples, a difpofition to ver- tigo, and occafionally, an unconfcioufnefs of what I was doing. When it returned to 80, it was weaker, and lefs full; when from 72 to 60, I became dull, languid, and fleepy ; when to 60, 1 was no longer able to refrain from dofing, and actually fell afleep while feeling my pulfe. Having previoufly difTolved three ounces of fugar in feven ounces of water, with the addition of half an ounce of yeafl, it had jufl now commenced a moderate