
The diagnosis was endotracheal tube malfunction with the endotracheal tube placed initially in the left mainstem bronchus, then in the right mainstem bronchus and finally in the trachea above the carina.

The diagnosis was endotracheal tube malfunction with the endotracheal tube placed initially in the left mainstem bronchus, then in the right mainstem bronchus and finally in the trachea above the carina.