Case Report

Favourable Experience with M-Mode Sonography in the Diagnosis of Pneumothorax in Two Patients with Thoracic Subcutaneous Emphysema

Figure 2

Healthy volunteer for comparison: B-mode and M-mode sonography using a linear transducer positioned in the mid-clavicular line at the 3rd intercostal space. Arrows indicate the pleural lines (B: B-mode, M: M-mode).