Figure 2From: Measurement of endotracheal tube secretions volume by micro computed tomography (MicroCT) scan: an experimental and clinical study Exemplary ETT section obtained by MicroCT scan. Representative image obtained by MicroCT scan of an ETT collected after 10 days of intubation. The abundant secretions layer (dark grey,) is adherent to the plastic material of the ETT (light grey) in the area below the cuff.Back to article page