If you want to specialize in coronary artery diseases, then you should study a course that will help you in experimenting with the data of cardiovascular diseases, especially coronary artery diseases. You will be taught about the pattern and symptoms of such cardiac diseases in this course. You will get hands on training on the analysis techniques of these kinds of data. You might have to analyze data related to patients whose symptoms, don't match with a certain cardiovascular disease. During your research period, you will have to analyze that data and infer on the possibilities of diseases for that patient. You will be given a chance to hold seminars on your work progress. You will be given training on the techniques to improve your work and publish innovative papers. During the ending lap of your course, you will have to compile what you have learned and researched into a dissertation.