Problem: Mr. Cruz is a 50-year-old male with diabetes. He has been diagnosed with hypertension and congestive heart failure and is prescribed carvedilol (Coreg) 6.25 mg orally b.i.d.
a. What are the key teaching points for Mr. Rodriguez about carvedilol?
b. Explain why carvedilol is the preferred drug to treat Mr. Cruz for his combined hypertension and congestive heart failure.