A theoretical analysis of the barometric method for measurement of tidal volume
作者： Mary Anne farrell Epstein , Ralph A. Epstein
DOI: 10.1016/0034-5687(78)90103-2
关键词:
摘要: The barometric method is unique in allowing measurement of tidal volume a manner that requires no tactile contact with the subject. equations used by previous investigators to calculate described only events occurring during inspiration. Neglect expiration caused systematic error. Additional needed for are derived. An error sensitivity analysis performed assess quantitatively accuracy calculated due propagation errors experimentally measured variables. Numberical evaluation typical cases indicates limit lies between 10 and 15%.
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