A 60-year-old presents to the emergency department with stab…

A 60-year-old presents to the emergency department with stable narrow-complex tachycardia. Vagal maneuvers fail to convert the rhythm. The nurse prepares to administer a medication that acts by slowing the conduction through the AV node. Which medication is indicated for this situation? 

A patient with chronic heart failure reports worsening sympt…

A patient with chronic heart failure reports worsening symptoms and multiple rehospitalizations despite medical therapy. The healthcare provider decides to add a medication to improve the patient’s outcomes. What medication is most appropriate for this patient?