Cardiology () is a branch of
medicine that deals with disorders of the
heart and the
cardiovascular system
The blood circulatory system is a system of organs that includes the heart, blood vessels, and blood which is circulated throughout the entire body of a human or other vertebrate. It includes the cardiovascular system, or vascular system, tha ...
. The field includes
medical diagnosis and treatment of
congenital heart defects,
coronary artery disease
Coronary artery disease (CAD), also called coronary heart disease (CHD), ischemic heart disease (IHD), myocardial ischemia, or simply heart disease, involves the reduction of blood flow to the heart muscle due to build-up of atherosclerotic pla ...
,
heart failure
Heart failure (HF), also known as congestive heart failure (CHF), is a syndrome, a group of signs and symptoms caused by an impairment of the heart's blood pumping function. Symptoms typically include shortness of breath, excessive fatigue, a ...
,
valvular heart disease and
electrophysiology.
Physicians who specialize in this field of medicine are called cardiologists, a specialty of
internal medicine. Pediatric cardiologists are
pediatrician
Pediatrics ( also spelled ''paediatrics'' or ''pædiatrics'') is the branch of medicine that involves the medical care of infants, children, adolescents, and young adults. In the United Kingdom, paediatrics covers many of their youth until the ...
s who specialize in cardiology. Physicians who specialize in cardiac surgery are called
cardiothoracic surgeon
Cardiothoracic surgery is the medical speciality, field of medicine involved in surgery, surgical treatment of organs inside the thoracic cavity — generally treatment of conditions of the heart (heart disease), lungs (pulmonology, lung disease) ...
s or cardiac surgeons, a specialty of
general surgery
General surgery is a surgical specialty that focuses on alimentary