Figure 4From: Lung volume assessments in normal and surfactant depleted lungs: agreement between bedside techniques and CT imaging Relationships between pairs of lung volume indices obtained by capnodynamics (ELV), by helium multiple breath washout technique (EELV MBW,He ) and by chest CT-scans (EELV CT ). Closed symbols represent lung volume measurements in normal lungs while open symbols denote the values obtained after lavage. Individual values (small symbols) and group mean values (larger symbols) are reported. Dashed lines represent linear regressions with thin lines denoting each condition separately and thick line corresponds to pooled data.Back to article page