While cardiologists cannot perform surgeries, there are some specialized procedures that they can perform. An interventional cardiologist, for instance, can use stents to open clogged arteries. Also, they can put some advanced devices in the heart of a patient that has some heart disorders.
DM Cardiology or Doctor of Medicine in Cardiology is a postgraduate cardiology medical course of 3-year, full time which is divided into four semesters. Cardiology is a medical speciality dealing with disorders of the human heart as well as some parts of the circulatory system.