What is the cause for a ball valve-type obstruction in a patient with an inhalation injury?

Question

Quizplus · Accepted Answer

In addition, barotrauma can result from a variety of injuries caused by mechanical ventilation, especially when high peak inspiratory pressures are maintained. Patients with inhalation injury often develop sloughing of the tracheobronchial mucosa, which results in a ball valve-type obstruction. This type of obstruction acts as a one-way valve.

What Is the Cause for a Ball Valve-Type Obstruction in a Patient