This document summarizes various cardiovascular drugs used to treat conditions like hypertension, angina, myocardial infarction, shock, and congestive heart failure. It discusses classes of drugs like beta-blockers, ACE inhibitors, calcium channel blockers, vasodilators, and cardiac glycosides. For each drug class, it describes the mechanisms of action, common drugs, clinical uses, contraindications, side effects, and nursing considerations for administration and patient education.