title: [Preliminary observation on cardiac functions in patients with respiratory failure].
mesh_terms: D002302:Cardiac Output; D006321:Heart / Q000503:physiopathology*; D006801:Humans; D011660:Pulmonary Heart Disease / Q000503:physiopathology; D011669:Pulmonary Wedge Pressure; D012121:Respiration, Artificial; D012131:Respiratory Insufficiency / Q000503:physiopathology*