A 58-Year-Old Male Has Had a Myocardial Infarction (MI) $\beta$ -Blockers Are Routinely Prescribed for All Post-MI Patients

A 58-year-old male has had a myocardial infarction (MI) .He has begun rehabilitation and is ready for discharge.When he is given a prescription for metoprolol (Lopressor ) ,he becomes upset and says,"I don't have high blood pressure! Why did my doctor give me this medicine?" What is the nurse's best explanation to the patient?

A) This medication prevents emboli that may lead to another MI.
B) $\beta$ -Blockers are routinely prescribed for all post-MI patients.
C) It is being prescribed to prevent hypertension that often occurs post MI.
D) Studies have shown that this medication greatly increases survival in post-MI patients.