Problem: Which action would the nurse perform first when a health care provider prescribes milrinone for a client with congestive heart failure? Need Professional Help? Administer the loading dose over 10 minutes. • Monitor the electrocardiogram (ECG) continuously for dysrhythmias during infusion. • Assess the heart rate and blood pressure continuously during infusion. • Have the prescription, dosage calculations, and pump settings checked by a second nurse.