A Patient with Cardiac Decompensation Is Started on Dobutamine at 1

A patient with cardiac decompensation is started on dobutamine at 1 mcg/kg/min with an order to titrate to effect.After receiving this dose for several minutes,the patient develops tachycardia and occasional premature ventricular contractions.What nursing intervention is indicated?

A) Increase the dose to 1.5 mcg/kg/min.
B) Discontinue the infusion.
C) Decrease the infusion to 0.5 mcg/kg/min.
D) Contact the prescriber immediately.