PMC6496995_01
Chest X-ray showing subcutaneous emphysema, pneumomediastinum (suspicious), the tip of the endotracheal tube in the right bronchus, and the overinflated tube cuff
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F1
Chest X-ray was conducted and pneumomediastinum was suspected [Figure 1]. Chest X-ray also revealed that the ETT was inserted too deeply and the tube cuff was overinflated [Figure 1]; however, those findings were overlooked at that time.
Chest computed tomography showing overinflated cuff of endotracheal tube and suspected tear of posterior tracheal wall
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F2
Chest computed tomography (CT) was performed and showed incorrect position and overinflated cuff of ETT clearly, as well as suspicious posterior trachea tear [Figure 2].
(a) Follow-up chest computed tomography showing posterior tracheal wall rupture. (b) Bronchoscopy image showing 4 cm size longitudinal rupture of posterior lower tracheal wall
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F3
Follow-up of chest CT 2 days later clearly revealed a posterior tracheal wall rupture [Figure 3a] and bronchoscopy was conducted. A 4 cm size longitudinal rupture was observed at the posterior lower tracheal wall on bronchoscopy [Figure 3b].