A, infusion into the coronary artery; B, infusion into the mesenteric artery; C, infusion into the renal artery; and D, infusion into the iliac artery. From top to bottom: heart rate (HR), phasic and mean aortic blood pressure (ABP), left ventricular pressure (LVP), mean right atrial pressure (RAP), left ventricular dP/dtmax, mean and phasic coronary blood flow (CBF), mean and phasic mesenteric blood flow (MBF), mean and phasic renal blood flow (RBF), mean and phasic iliac blood flow (IBF). The arrow indicates the beginning of the infusion.