cardiologist :
Cardiology is the study and management of the disorders of the heart and blood vessels. Cardiologists are doctors who have specialization and training in the diagnosis, treatment and prevention of the heart conditions. A cardiologist is certified to address a wide variety of Heart conditions including Hypertension, Hypotension, Angina, Heart Muscle Disorders, Myocorditis, Pulmonary hypertension, Heart palpitations, chest pain, and heart attack.
There are different kinds specialties under the category of cardiology namely general cardiologist, Interventional cardiologist, electrophysiologist, and paediatric cardiologist, each specializing in unique set of conditions and cardiac care. You are refered to a cardiologist by your physician if they notice symptoms like chronic chest pain, unexplained dizziness, uncontrolled hypertension and so on.