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Figure 3 | Multidisciplinary Respiratory Medicine

Figure 3

From: Expiratory CT scan in patients with normal inspiratory CT scan: a finding of obliterative bronchiolitis and other causes of bronchiolar obstruction

Figure 3

Maximal expiratory and inspiratory maneuvers plotted as a flow-volume curve. The thick vertical line indicates the point of maximal flow after expelling 75% of the vital capacity. The black area pointed by thick arrow indicates the typical variation of expiratory curve in small airways obstruction. TLC = Total lung capacity. RV = Residual volume.

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