Heart and blood vessel specialists are doctors who have specific expertise in treating diseases related to the heart and blood vessels, or cardiovascular. His educational background is a general practitioner who has completed his heart and blood vessel specialist education. Cardiovascular and vascular medicine is also a field studied by specialists in internal medicine. Heart specialists and internal medicine specialists often collaborate or cooperate with one another in treating patients who have heart and blood vessel problems. Diseases Treated by Cardiologists and Blood Vessels Cardiologists have in-depth knowledge of the prevention, diagnosis and treatment of various cardiovascular diseases, from high blood pressure to heart attacks. Diseases handled by heart and blood vessel specialists include: Myocardial infarction or angina. Coronary heart disease. Vascular disease. Heart valve disease. Congenital heart disease. Aortic disease. Heart muscle disease (cardiomyopathy)...