What does PEEP stand for in ventilator settings?

PEEP stands for Positive End-Expiratory Pressure. This refers to the pressure that is maintained in the airways at the end of expiration during mechanical ventilation. Its primary purpose is to improve oxygenation by preventing atelectasis (the collapse of alveoli) and allowing for better recruitment of impaired lung areas. By maintaining a set pressure at the end of expiration, PEEP enhances functional residual capacity, which can lead to increased surface area for gas exchange and improved ventilation-perfusion ratios.

The application of PEEP supports patients with various respiratory conditions, helping to stabilize the lungs and reduce the work of breathing. It is especially beneficial for patients with conditions such as acute respiratory distress syndrome (ARDS) or for those who may require additional support in their ventilatory management. Understanding how PEEP functions is crucial for healthcare professionals, particularly in critical care and transport settings where patient management is complex and requires specialized knowledge.