An in depth look at ventilator associated pneumonia in trauma patients and efforts to increase bundle compliance, education and documentation in a surgical trauma critical care unit ScienceDirect Study flowchart. MV, mechanical ventilation; VAP, ventilator associated Download Scientific Diagram Evidence based strategies to prevent ventilator associated pneumonia ()? is a lung infection that can cause serious health complications, especially in patients with weakened immune systems. When a patient is Review of Hospital Acquired, Ventilator Associated, and Health CareAssociated Pneumonia in Immunocompetent Adults