Definition: Cardiology is a branch of medicine that focuses on the health of the heart, specifically the structure and function of the heart muscle, its function in the circulatory system, and the various disorders that can affect the heart. It encompasses the diagnosis, management, prevention, and treatment of conditions such as coronary artery disease (CAD), mitral valve prolapse, angina pectoris (chest pain caused by narrowing or occlusion of the aorta), atrial fibrillation, and arrhythmias. The word "cardiology" is derived from the Greek words "cardio," meaning heart, and "logy," meaning study. It is often used to describe any field that deals with human health.
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