Cardiology is a medical specialty, which treats disorders of the heart and the blood vessels. It deals with the diagnosis and treatment of conditions such as Congenital Heart Defects, Coronary Artery Disease, Electrophysiology, Heart Failure and Valvular Heart Disease. A person with heart disease or cardiovascular disease referred to go for a consultation with a cardiologist. The cardiologist does all the diagnosis of the person and basis on diagnosis cardiologist prescribes the line of treatments. The heart is a very very delicate part of the body and regular care of it is very essential, especially for people who are old age. They should go for regular check-ups and monitor their heart health.