There are direct and indirect causes of<unk>  depending whether the lungs are initially affected. Direct causes include pneumonia (including bacterial and viral), aspiration, inhalational lung injury, lung contusion, chest trauma, and near-drowning. Indirect causes include sepsis, shock, pancreatitis, trauma (e.g. fat embolism), cardiopulmonary bypass, TRALI, burns, increased intracranial pressure. Fewer cases of<unk>  are linked to large volumes of fluid used during post-trauma resuscitation.
Acute respiratory distress syndrome
Heart failure
Respiratory bronchiolitis
Bacterial pneumonia
Aspiration pneumonia
Community-acquired pneumonia
Hospital-acquired pneumonia
Viral pneumonia