1) Heart specialist 2) Heart surgeon 3) Medical specialist 4) Specialist 1) Heartspecialist 
a physician with special training for treating heart and circulatory problems.
a doctor who treats people who have heart problems.
a doctor who treats people who have heart problems.
<specialist> A medically qualified specialist in internal medicine who has subspecialised in the diseases of the heart and blood vessels. ... (16 Dec 1997) ... 
(kahr″de-ol´ә-jist) one who specializes in cardiology.
A doctor who treats people who have heart problems.
Type: Term Pronunciation: kar′dē-ol′ō-jist Definitions: 1. Physician specializing in cardiology.
Cardiologist: A doctor who specializes in treating heart disorders.
A doctor who treats people who have heart problems.
[n] - a specialist in cardiology
a physician trained in the prevention, diagnosis, and treatment of heart disease
A doctor who treats people who have heart problems, which are more common in people with diabetes.
heart specialist noun a specialist in cardiology; a specialist in the structure and function and disorders of the heart
a doctor who specializes in the heart and vascular system.
a physician who specializes in the medical evaluation and treatment of heart diseases.
A doctor who specializes in the study of the heart and its function in health and disease.
A doctor who takes care of people with heart disease; a heart specialist.