[Answered]: Marcus is a 65-year-old man who has arrived at…

Marcus is a 65-year-old man who has arrived at the primary care clinic complaining of shortness of breath. After assessing the lungs and performing an office ECG, the health care provider diagnoses atrial fibrillation. Marcus is placed on digoxin to improve his heart contractility and improve vasodilation. Provide two ways that digoxin will reduce dyspnea. a. b.