On line determination of airway resistance by plethysmography and microcomputer

DuBois, 1956, A new method for measuring airway resistance in man using a body plethysmograph: values in normal subjects and in patients with respiratory disease, J. clin. Invest., 35, 327, 10.1172/JCI103282 DuBois, 1956, A body plethysmographic method for measuring thoracic gas volume: a comparison with a nitrogen washout method for measuring functional residual capacity in normal subjects, J. clin. Invest., 35, 322, 10.1172/JCI103281 Smidt, 1969, Electronic compensation of differences in temperature and water vapour between in- and expired air and other signal handling in body plethysmography, Prog. resp. Res., 4, 39, 10.1159/000386233 Woitowitz, 1969, Computer-aided investigations of airway resistance with time, Prog. resp. Res., 4, 131, 10.1159/000386242 Lord, 1978, Variation in airways resistance when defined over different ranges of airflows, Thorax, 33, 401, 10.1136/thx.33.3.401 Lord, 1977, A comparison of manual and automated methods of measuring airway resistance and thoracic gas volume, Thorax, 32, 60, 10.1136/thx.32.1.60 Chester, 1974, Influence of breathing rate on airway resistance and compliance measurements, Resp. Physiol., 20, 337, 10.1016/0034-5687(74)90031-0 Chowienczyk, 1981, A new method for computer-assisted determination of airways resistance, J. appl. Physiol., 50, 672, 10.1152/jappl.1981.50.3.672 SooHoo, 1983, Computerized body plethysmography: an algorithm for minimizing drift and hysteresis, Comput. Biol. Med., 13, 1, 10.1016/S0010-4825(83)80019-5 Lorino, 1980, Computer determination of thoracic gas volume using plethysmographic “thoracic flow”, J. appl. Physiol., 48, 911, 10.1152/jappl.1980.48.5.911 Lorino, 1983, Traitement en temps réel par micro-ordinateur des signaux ventilatoires au cours d'explorations fonctionnelles utilisant la pléthysmographie, Innov. Tech. Biol. Méd., 4, 233 Harf, 1981, Correction for non-linearity of body flow plethysmograph, J. appl. Physiol., 50, 658, 10.1152/jappl.1981.50.3.658 DuBois, 1964, Resistance to breathing, 454