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Blood flow diagram of the human heart. Blue components indicate de-oxygenated blood pathways and red components indicate oxygenated blood pathways.
SubdivisionsInterventional Cardiology, Clinical Cardiac Electrophysiology, Heart Failure and Transplant Cardiology, Nuclear Cardiology, Adult Congenital Heart Disease, Pediatric Cardiology, Echocardiography, Cardiovascular Imaging
Significant diseasesHeart disease, Cardiovascular disease, Atherosclerosis, Cardiomyopathy, Hypertension (High Blood Pressure)
Significant testsBlood tests, electrophysiology study, cardiac imaging, ECG, echocardiograms, stress test
GlossaryGlossary of medicine
  • Physician
  • Surgeon
Occupation type
Activity sectors
Medicine, Surgery
Education required
Fields of
Hospitals, Clinics

Cardiology (from Ancient Greek καρδίᾱ (kardiā) 'heart', and -λογία (-logia) 'study') is the study of the heart. Cardiology is a branch of medicine that deals with disorders of the heart and the cardiovascular system. The field includes medical diagnosis and treatment of congenital heart defects, coronary artery disease, heart failure, valvular heart disease, and electrophysiology. Physicians who specialize in this field of medicine are called cardiologists, a specialty of internal medicine. Pediatric cardiologists are pediatricians who specialize in cardiology. Physicians who specialize in cardiac surgery are called cardiothoracic surgeons or cardiac surgeons, a specialty of general surgery.[1]

  1. ^ Herper, Matthew (December 5, 2017). "27 Top Cardiologists, Picked By Big Data". Forbes. Retrieved June 2, 2022.{{cite web}}: CS1 maint: url-status (link)

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