Carbonic acid in medicine / by Achilles Rose, M.D. ; with the portraits of van Helmont, Priestley and Lavoisier.

  • Achilles Rose
Date:
1905
Catalogue details

Licence: Public Domain Mark

Credit: Carbonic acid in medicine / by Achilles Rose, M.D. ; with the portraits of van Helmont, Priestley and Lavoisier. Source: Wellcome Collection.

Provider: This material has been provided by the Francis A. Countway Library of Medicine, through the Medical Heritage Library. The original may be consulted at the Francis A. Countway Library of Medicine, Harvard Medical School.

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    the air-passages—that is, does not more than exhaust the contents of the air-passage. Thus a very superficial breathing will only insuffi- ciently ventilafe the alveoli, even tho the fre- quency of respiration is increased. The resid- ual air, which during lifetime can not be expelled from the lungs, has been calculated by Vierordt to be from 1,230 to 1,640 c.c. The expired air is richer in carbonic acid and poorer in oxygen in proportion as the larger part of it comes from the alveoli—that is to say, the more profound the expiration. [20]