Figure 1From: Short-term effects of noisy pressure support ventilation in patients with acute hypoxemic respiratory failureHemodynamics and gas exchange. Hemodynamics and gas exchange during (conventional) pressure support ventilation (PSV) and noisy (variable) PSV. (A) Heart rate (HR); (B) mean arterial blood pressure (MAP); (C), ratio of arterial partial pressure of oxygen and inspired oxygen fraction (PaO2/FIO2); (D) arterial partial pressure of carbon dioxide (PaCO2).Back to article page