[Expert Solution]: patient with a history of unstable angina…

patient with a history of unstable angina is seen in the cardiac clinic for a checkup. The assessment reveals increased weight of 10 lbs., distended jugular veins, and an S3. Echocardiogram reveals an EF of 30%. The patient is currently on atenolol 50 mg PO QD, diltiazem ER 120mg PO QD, nitroglycerin SL PRN for chest pain, and aspirin 81 mg PO QD. What changes in pharmacologic treatment should be initiated?