24th July 2020

A 65-year-old man presents with shortness of breath, especially at night and when lying flat

A 65-year-old man presents with shortness of breath, especially at night and when lying flat. His legs are swollen up to his knees, and he has a pansystolic murmur, best heard at the apex and radiating to the axilla. His echocardiogram shows a left ventricular ejection fraction of 28%.

Select the SINGLE most appropriate treatment option from the list below. Select ONE option only.