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 Vapid pronunciation and definition Ventilator Associated Pneumonia (VAP) VAP is a subtype of hospital acquired pneumonia or Nosocomial pneumonia which occur in people who are receiving mechanical ventilation. It develops more than 48 hours after tracheal Average path velocity (VAP) (mean SEM indicated as bars) over the Download Scientific Diagram