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. Are risk factors and impact of prevention strategies the same for early and late onset VAP? ESICM PDF] The Clinical Diagnosis of Ventilator Associated Pneumonia Semantic Scholar Learn about ventilator associated pneumonia (VAP) Volume Assured Pressure Support (VAPS) Pulmonary & Sleep Center of the Valley