[42] Effects of maximum dose of dobutamine (40 µg/kg/min) on heart rate (A), end-diastolic diameter (B), left ventricular (LV) ejection fraction (C), stroke volume (D), and cardiac output (E).

The dose may be increased in increments of 0.005 ... that the incidence of arrhythmias may be less than that seen with dobutamine, while in the larger studies the overall incidence when compared ...