Time to Exhale: Additional Value of Expiratory Chest CT in Chronic Obstructive Pulmonary Disease

<div>Automatic detection of lung borders and lung parenchyma. Blue areas: low attenuation volume (LAV) with HU values below −950; red areas: high attenuation volume (HAV) with HU values above −200.</div>

Canadian Respiratory Journal

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Figure 1

Figure 1: Time to Exhale: Additional Value of Expiratory Chest CT in Chronic Obstructive Pulmonary Disease 