VENTILATOR ASSOCIATED PNEUMONIA Ventilator associated pneumonia (VAP) is pneumonia that develops 48 hours or longer after mechanical ventilation is given by means of an endotracheal tube or Dr. Aditya Rana Ventilator Associated Pneumonia (VAP) EMCrit Project Life in icu follow for more clinical tips Ventilator Associated Pneumonia (VAP) Definition: Pneumonia that develops 4872 hours after endotracheal intubation and mechanical ventilation. Common Causes Gram negative bacilli Ventilator Associated Pneumonia (VAP) is a serious lung infection that occurs in patients on mechanical ventilation for over 48 hours. It is often caused by bacteria entering the lungs through the ventilator, leading