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Japanese

Determination of Pulmonary Parenchymal Tissue Volume by a Partial Rebreathing Technique Osami Nishida 1 12nd Department of Internal Medicine, Hiroshima University School of Medicine pp.417-420
Published Date 1971/5/15
DOI https://doi.org/10.11477/mf.1404202264
  • Abstract
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A new partial rebreathing method for deter-mination of pulmonary parenchymal tissue volume (Vt) is reported. The apparatus is composed, as shown in figure 1, of two-bags-in-box system and 5 way cock with 25 ml of dead space. Gas concentration passing through a mouth piece is analysed by respiratory mass spectrometer and is continuously recorded.

As the preparation for exermination, the large bag is filled by the gas mixture which include 4% He, 10% N2O and 86% air, and then the small bag is emptied perfectly. As breath holding method, the gas mixture is fully inspired from the large bag.


Copyright © 1971, Igaku-Shoin Ltd. All rights reserved.

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電子版ISSN 1882-1200 印刷版ISSN 0452-3458 医学書院

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