Cardiologist

Duties and responsibilities:       A cardiologist is a doctor with special training and skill in finding, treating and preventing diseases of the heart and blood vessels.

Salary: These are rough estimates, and the cardiology payment isn't limited to physician fees alone. But still: the average income for an interventional cardiologist last year in the US? Over $400,000.

Education: Cardiologists may find positions within hospitals, private practices and universities. In order to become a cardiologist, one must undergo four years of medical school as well as three years of internal medicine training.