What is VAP?, Ventilator Associated Pneumonia is a lung infection that develops 48 hours or more after endotracheal intubation. It increases ventilator days, costs, and mortality., The Power of Evidence Based Practices to Prevent Ventilator Associated Pneumonia in an Intensive Care Unit in Bangladesh What is VAP? (Ventilator Associated Pneumonia) Medical Definition Full article: The pathogenesis of ventilator associated pneumonia: old and new mechanisms VAP = Ventilator Associated Pneumonia Think it in any ventilated patient with: Fever Purulent secretions New infiltrate on CXR Worsening oxygenation Prevention Head elevation