A Cardiologist is a physician who specializes in diseases of the heart and blood vessels. This role spans diagnosis, risk assessment, prevention, and long-term management of cardiovascular conditions. Cardiologist care commonly involves tests such as electrocardiography (ECG/EKG), echocardiography, stress testing, and cardiac imaging. The term is used across outpatient clinics, emergency and inpatient care, and peri-procedural settings.

Cardiology is the medical specialty focused on the heart and blood vessels. It covers anatomy and physiology, diseases, diagnostic testing, and treatment strategies. Cardiology is used in outpatient prevention, inpatient acute care, and procedural settings. It commonly overlaps with internal medicine, emergency care, and cardiothoracic surgery.