Expired nitrogen concentration versus number of breaths during a nitrogen washout. Note the logarithmic scale for the nitrogen concentration. A: Curve
from a normal subject. B: Curve from a normal subject after inhalation of a histamine aerosol, which produces a marked nonuniformity of ventilation.
(Reproduced with permission from Bouhuys A, Jonsson R, Lichtneckert S, et al. Effects of histamine on pulmonary ventilation in man. Clin Sci.
1960;19:79–94. © the Biochemical Society and the Medical Research Society.)
Source: Chapter 5. Ventilation-Perfusion Relationships, Pulmonary Physiology, 8e
Citation: Levitzky MG. Pulmonary Physiology, 8e; 2013 Available at: http://mhmedical.com/ Accessed: July 31, 2017
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