VAP Ventilator Associated Pneumonia Preventions Ventilator Acquired Pneumonia VAP Preventions VAP, VAC, IVAC and Ventilator Associated Events: The Need for Objectivity for Surveillance Ventilator Associated Pneumonia (VAP): Why is it so difficult to define? In real world practice: The diagnosis of VAP remains more an exercise in clinical integration than strict adherence to criteria. Evidence Based Practices to Prevent Ventilator Associated Pneumonia in an Intensive Care Unit in Bangladesh