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 Ventilator Associated Pneumonia Obgyn Key Abstract Background and Aims: Ventilator associated pneumonia (VAP) is a major cause of morbidity and mortality among patients in the Intensive Care Units (ICUs) and results in added healthcare costs. One of the Understanding NHSN VAE Definitions for Ventilator Patients Mahesh Madhu Ragini posted on the topic LinkedIn