Forebyggelse af ventilatorassocieret pneumoni p en intensivafdeling Ugeskriftet.dk Ventilator associated pneumonia (VAP) is a type of pneumonia that develops at least 48 hours after a patient was intubated and placed on the mechanical ventilator. It's a preventable lung infection that can ()? is a lung infection that can cause serious health complications, especially in patients with weakened immune systems. When a patient is VAPING & VAP: Lungs Under Attack