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ID 44535
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Title Alternative
Contribution to the Composition of the Alveolar Air by the Effect of the Forced Breathing
Author
Yonezawa, Suezi
Nisizaki, Yositora
Masuzawa, Hiromu
Abstract
After Haldane's method of sampling the alveolar air we took one sharp and forced expiration through a piece of hose-pipe about 105cm long and 2.5cm in diameter, after 2, 5, 10, 15 and 30 times forced breathings each of which was done once per 2 seconds. Then, at once, the last part of this expired air was collected into a vacuous sampling tube introduced air-tight through a hole at the wall of the hose-pipe near the mouth piece, and analysed by means of Haldane's gas analysis apparatus. Conclusion: 1) The CO(2)-pressure in normal resting alveolar air, taken by the original method in a sitting position is 40.4mm-43.5mm of Hg, and the O(2)-pressure in it is 96.5mm-108.2mm of Hg. 2) After 2 times forced breathings, the CO(2)-pressure in alveolar air is remarkably diminished, that is, to 27.1mm-28.7mm of Hg, and the O(2)-pressure raised to 128.7mm-131.0mm of Hg. More than these 2 times forced breathings did not cause a noticeable change on the CO(2)- and O(2)-pressures in alveolar air.
Published Date
1940-09-30
Publication Title
岡山医学会雑誌
Volume
volume52
Issue
issue9
Publisher
岡山医学会
Start Page
2188
End Page
2191
ISSN
0030-1558
NCID
AN00032489
Content Type
Journal Article
Official Url
https://www.jstage.jst.go.jp/article/joma1889/52/9/52_9_2188/_article/-char/ja/
Related Url
http://www.okayama-u.ac.jp/user/oma/
language
日本語
Copyright Holders
Copyright© 岡山医学会
File Version
publisher
Refereed
True
Eprints Journal Name
joma