is the branch of medicine dealing with disorders of the heart and
blood vessels. The field is commonly divided in the branches of
defects, coronary artery disease, heart
failure, valvular heart disease and electrophysiology.
Physicians specializing in this field of medicine are called
cardiologists. Cardiologists should not be confused with cardiac
surgeons who are surgeons who perform cardiac surgery - operative
procedures on the heart and great vessels.