Unravelling the complexity of ventilator associated pneumonia: a systematic methodological literature review of diagnostic criteria and definitions used in clinical research Critical Care Springer Nature Link ()? is a lung infection that can cause serious health complications, especially in patients with weakened immune systems. When a patient is Updated IDSA ATS Guidelines on Management of Adults With HAP and VAP Figure 7 from Common Complications in the Crit ical ly I l l Patient Semantic Scholar