What is the application of pressure above atmospheric at the airway throughout expiration during mechanical ventilation?

Question

Quizplus · Accepted Answer

Positive end-expiratory pressure (PEEP) is the application of pressure above atmospheric at the airway throughout expiration during mechanical ventilation. This helps to keep the alveoli open and prevent collapse, improving oxygenation and reducing the risk of atelectasis.

What Is the Application of Pressure Above Atmospheric at the Airway