The image in the center is a patient whose abdomen was left open but covered with nonadhesive dressing. C_dyn = dynamic pulmonary compliance; CO = cardiac output; CPP = cerebral perfusion pressure; CVP = central venous pressure; GFR = glomerular filtration rate; ICP = intracranial pressure; PAOP = pulmonary artery occlusion pressure; P_aw = mean airway pressure; pHi = intramucosal pH; PIP = peak inspiratory pressure; Qsp/Qt = intrapulmonary shunt; SMA = superior mesenteric artery; SVR = systemic vascular resistance; Vd/Vt = dead space ventilation.