Background:
Interventional cardiology procedures result in substantial patient radiation doses due to prolonged fluoroscopy time and radiographic exposure. The procedures that are most frequently performed are coronary angiography (CA), percutaneous transluminal coronary angioplasty (PTCA), diagnostic electrophysiology studies and radiofrequency catheter ablation (RFA). When complex procedures are performed or procedures are repeated for the same patient, high-radiation dose levels can occur because procedures often require long fluoroscopy times and require high-quality images.