Cardiovascular pharmacology deals with the treatment of heart disease. Cardiotonic drugs are used to treat disorders of the heart, circulatory system, or vascular biology. Many types of cardiovascular drugs are available to treat various cardiovascular diseases. Sodium, potassium, and calcium channel blockers, ACE inhibitors, and cardiac biomarkers are the most commonly used subcategories of drugs. There are six major associations and associations in the United States, and the major cardiac care association is the American Heart Association. Cardiac therapies are being studied at 50 universities. Three new drugs were launched in 2015. Cardiac glycosides, anticoagulants, antiarrhythmics, antianginals, and antihypertensives are among the many types of cardiovascular drugs available on the market.