Final answer:
Cardiology is the study of the heart, and cardiologists are specialized physicians who diagnose and treat heart diseases.
Step-by-step explanation:
Cardiology is the medical term that refers to the study of the heart. It is a branch of medicine that focuses on the diagnosis and treatment of heart diseases and conditions. Cardiologists are the specialized physicians who deal primarily with the heart, and they undergo extensive training and education to become experts in this field.
Cardiologists use various diagnostic techniques such as physical examinations, electrocardiograms (ECGs), chest X-rays, and other tests to diagnose heart diseases. They then prescribe appropriate medications and recommend lifestyle changes to manage and treat these conditions effectively.