A new expert consensus document aims to provide best practices for safety and effectiveness when employing ionizing radiation in cardiovascular diagnostic and therapeutic procedures. The document, developed by the ACC, Heart Rhythm Society, North American Society for Cardiovascular Imaging, Society for Cardiovascular Angiography and Interventions, Society for Cardiovascular Computed Tomography, in collaboration with Mended Hearts, was published May 2 in the Journal of the American College of Cardiology. As ionizing radiation-based cardiovascular procedures are being performed with increasing frequency, the writing committee, led by John W. Hirshfeld Jr., MD, FACC, developed an educational resource that compiles and interprets the current radiation biology and safety knowledge base applicable to cardiovascular imaging. Read more on ACC.org.