Ventilator Associated Events: What They Are and What They Are Not Michael Klompas, 2019 Criteria used for the diagnosis of VAP. Adapted from the European Download Scientific Diagram Hospital Acquired and Ventilator Associated Pneumonia Oncohema Key ()? is a lung infection that can cause serious health complications, especially in patients with weakened immune systems. When a patient is What are the diagnostic criteria for ventilator associated pneumonia (VAP)?