👉 Cardiology is a branch of medicine that deals with the diagnosis, treatment, and prevention of cardiovascular diseases. It includes the study of the heart and blood vessels, as well as their function and health in the body. Cardiologists are doctors who specialize in treating conditions related to the heart, such as arrhythmias (irregular heartbeat), coronary artery disease, and heart failure. The field is also known for its research into the prevention and management of cardiovascular diseases, including heart attacks and strokes.