title: Gravitational edema of the lungs observed during assisted respiration.
mesh_terms: D003937:Diagnosis, Differential; D006112:Gravitation; D006801:Humans; D011014:Pneumonia / Q000175:diagnosis; D011175:Positive-Pressure Respiration / Q000009:adverse effects*; D011187:Posture; D011654:Pulmonary Edema / Q000175:diagnosis / Q000000981:diagnostic imaging / Q000209:etiology* / Q000503:physiopathology; D011859:Radiography; D013997:Time Factors