Cardiology is a specialty that deals with the treatment of diseases and disorders of the car-diovascular system. The cardiovascular system consists of the heart, veins and arteries. Cardiology also deals with related disorders that affect the heart, such as high blood pressure and high cholesterol levels. Diagnosis and treatment of cardiovascular conditions range from congenital defects to heart diseases including congestive heart failure and coronary artery disease.
Cardiologists specialize in this field and are trained to use various diagnostic and therapeutic techniques to help patients with heart problems. Some common conditions that cardiologists treat include coronary artery disease, heart failure, arrhythmias, and hypertension.