What is meant by interventional cardiologist? An interventional cardiologist is a cardiologist with one to two years of additional education and training in diagnosing and treating cardiovascular disease as well as congenital (present at birth) and structural heart conditions through catheter-based procedures, such as angioplasty and stenting. What kinds of procedures do interventional cardiologists do? Types of Interventional Cardiology Procedures There are several main interventional cardiology procedures, including the following: Angioplasty and Stenting A slender, long tube is inserted into your wrist or leg through a blood vessel and guided to your heart or other areas in your body. The doctor injects a dye through your arteries for guidance while he performs the stenting procedure. The catheter has a balloon at the tip which inflates to stretch your artery open and increase blood flow to your heart. He then places a stent (small metal mesh cylinder) into your ves...