Figure 2

Hemodynamics (A: heart rate; B: mean arterial pressure (MAP)) and blood oxygenation (C: arterial oxygen tension; D: oxygen saturation of haemoglobin(Hb)) during the changes in inspiration oxygen (FiO 2 ) and the administration of two dobutamine infusion rates. * pā<ā0.05 relative to CON (control). (nā=ā6 per group).