What is cardiology? Cardiology is the science and study of the
cardiac (heart) system. It pertains to heart disorders,
including diagnosis and treatment of congenital heart defects,
coronary artery disease, electrophysiology, heart failure and
valvular heart disease. It is a subspecialty of internal
medicine.Who are cardiologists and what do they do?
Cardiologists diagnose and treat patients of all ages who may
have heart defects, heart failure, coronary artery disease or
other heart conditions. Some cardiologists distinguish
themselves as interventional cardiologists and perform invasive
procedures such as cardiac catheterization and coronary artery
stent placement. However, they usually do not perform major
surgeries such as open heart surgery and coronary artery bypass
grafting; those are performed by cardio-thoracic surgeons.
Cardiologists may work in private practice or at a hospital.
Cardiologists are doctors trained in internal medicine, with
four years of medical school and three years of internal med