the following findings emerged : -- absence of any significant effect of dobutamine on heart rate , -- increase in systolic and mean pap , after infusion of dobutamine , -- increase in systolic and mean pap , after infusion of dopamine , -- decrease in bp after administration of infusion of dobutamine , -- decrease in pulmonary arterial resistances under the influence of isoprenaline , -- decrease in total systemic resistances after the administration of dobutamine , -- increase in ventricular , systolic work after the infusion of dopamine .
C0039231
heart rate
C0022245
isoprenaline