The document discusses medications used to treat cardiac conditions like hypertension, coronary artery disease, and congestive heart failure. It describes several classes of drugs and their effects, such as diuretics which reduce blood volume, ACE inhibitors which lower blood pressure, and beta blockers which decrease heart rate and oxygen demand. The goals of treatment are outlined as reducing risk factors and maintaining normal blood pressure, heart rate, and cholesterol levels. Nursing considerations are also highlighted, like monitoring for side effects and ensuring medication adherence.