Definition and timing of second episodes Download Scientific Diagram PDF] Should Ventilator Associated Events become a Quality Indicator for ICUs? Semantic Scholar Flow diagram for VAP definition Firstly, a deterioration in ventilation Download Scientific Diagram Ventilator associated pneumonia (VAP) is a type of pneumonia that develops at least 48 hours after a patient was intubated and placed on the mechanical ventilator. It's a preventable lung infection that can Ventilator associated pneumonia (VAP) Causes, Symptoms and Treatment Options