Representation of the relationship between the lung volume and the lung vascular resistance. Our patient had extensive lung atelectasis due to the trauma and surgery (arrow toward the left), and the attempt of recruitment of the collapsed alveoli with conventional ventilation lead to overinflation of the lung in other areas (arrow toward the right). Adapted from Simmons, HD et al., Circulation Research, 1961 . Promotional and commercial use of the material in print, digital or mobile device format is prohibited without the permission from the publisher Lippincott Williams & Wilkins. Please contact http://email@example.com for further information.