It is the study and treatment of disorders of the heart and the blood vessels. If a person has symptoms of a heart condition, their physician may refer them to a cardiologist. Symptoms may include:- Shortness of breath, Chest pains, High BP, Dizziness, And changes in heart rate . What does a cardiology involve? A cardiologist reviews a patient’s medical history and carry out a physical examination. They may check a person’s weight, heart , lungs , BP, blood vessels and carry out some tests.💖