Cardiac catheterization is often used to help doctors determine the severity and extent of cardiovascular problems. The cardiologist makes a small incision in the arm or groin and threads a catheter into a blood vessel. The catheter is then guided through the blood vessel to the heart.
With this procedure physicians can:
Information from the cardiac cath can help determine if cardiac surgery or another interventional cardiology procedure, such as angioplasty, is necessary.