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The cardiologist is a physician who treats and diagnoses disease and injury of the heart and cardiovascular system. The interventional cardiologist is a physician who performs a variety of invasive tests and procedures to assist in diagnoses of and treatment of cardiac disease. A cardiac or cardio-vascular surgeon can be a cardiologist who specializes in surgical interventions of the heart and vascular system.
Cardiologists are doctors who diagnose, assess and treat patients with diseases and defects of the heart and blood vessels (the cardiovascular system). This page provides useful information on the nature of the work, the common procedures/interventions, sub-specialties and other roles that may interest you. Their work involves patients of all ages from prenatal diagnosis to end-of-life care. Cardiologists manage patients with conditions such as: 1  angina (chest pain caused by narrowing of the coronary arteries)  arrhythmias, eg atrial fibrillation (irregular heartbeat)