Figure 1From: Prospective, randomized trial comparing fluids and dobutamine optimization of oxygen delivery in high-risk surgical patients [ISRCTN42445141]Treatment algorithm. MAP, mean arterial pressure; PAOP, pulmonary artery occlusion pressure; Ht, hematocrit; SaO2, arterial oxygen saturation; DO2I, oxygen delivery index; RBC, red blood cells; CI, cardiac index.Back to article page