title: Impedance pneumograph studies in left ventricular failure.
mesh_terms: D000368:Aged; D001049:Apnea / Q000175:diagnosis / Q000209:etiology*; D001776:Blood Circulation Time; D001784:Blood Gas Analysis; D001795:Blood Pressure Determination; D002245:Carbon Dioxide / Q000097:blood; D004417:Dyspnea / Q000175:diagnosis / Q000209:etiology*; D006333:Heart Failure / Q000503:physiopathology*; D006352:Heart Ventricles; D006801:Humans; D006973:Hypertension / Q000209:etiology; D000860:Hypoxia / Q000150:complications; D008297:Male; D008722:Methods; D012119:Respiration; D012129:Respiratory Function Tests
chemical_list: D002245:Carbon Dioxide