| 摘要 |
PCT No. PCT/SE92/00675 Sec. 371 Date Mar. 25, 1994 Sec. 102(e) Date Mar. 25, 1994 PCT Filed Sep. 28, 1992 PCT Pub. No. WO93/05709 PCT Pub. Date Apr. 1, 1993.The invention relates to a method and to apparatus for ascertaining the current function or condition of a lung or the lungs of a living subject (1) chosen for a lung function evaluation, by measuring (3) the nitrogen monoxide content (NO) of the expiration air. The amount of nitrogen monoxide formed in the lung or the lungs during the expiration phase of one or more respiratory cycles and/or the time-distribution of the amount of nitrogen monoxide is compared (5) with the maximal nitrogen monoxide content and/or the time-distribution (6) of the nitrogen monoxide content of the exhalation air delivered by a complete, or unimpaired, lung function of a living subject, wherein a deviation disclosed by the comparison (9, 11) is normally interpreted as an impairment of the lung function.
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