Selected causes of acute respiratory failure in adults. - Airway disorders - Pulmonary edema - Unclear etiology - Parenchymal lung disorders - Pulmonary vascular disorders - Chest wall, diaphragm, and pleural disorders - Neuromuscular and related disorders - Central nervous system disorders - Increased CO2 production #Acute #Respiratory #Failure #Differential #Causes #Pulmonary #Diagnosis