On the clinical value of determining the ratio of residual volume to total lung capacity in mitral stenosis

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Abstract

The importance of determining the percentage of the residual volume to the total lung capacity (RO / OEL) in the diagnosis of pulmonary emphysema was pointed out by Bor (1907) Luft et al., Birat, RI Agranovich consider an increase in this ratio to be a pathognomonic sign of emphysema.

About the authors

V. M. Andreev

Kazan State Pedagogical University named after V. I. Lenin

Author for correspondence.
Email: info@eco-vector.com

Department of Therapy No. 1

Russian Federation

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© 1972 Andreev V.M.

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