Haemodynamic effects of a negative (subatmospheric) pressure expiratory phase during artificial ventilation.
D001274:Atmospheric Pressure; D001341:Autonomic Nervous System / Q000503:physiopathology; D002302:Cardiac Output; D006439:Hemodynamics; D006801:Humans; D012121:Respiration, Artificial; D014655:Vascular Resistance