Cardiac imaging includes many types of tests that take pictures of the heart and surrounding structures. Healthcare providers use tests to diagnose and treat heart disease. Examples of cardiac imaging studies include chest X-rays, cardiac MRIs, and cardiac nuclear stress studies. Cardiac imaging, also called cardiovascular imaging, is a broad term that includes multiple methods of capturing images of the heart and surrounding anatomy. Cardiovascular imaging is safe because the surgery is non-invasive or minimally invasive. Allergic reactions to the dyes used in some cardiac imaging tests are rare. Cardiac imaging allows healthcare providers to take pictures of the heart, blood vessels, and surrounding anatomy. Shows the heart and the blood flow around it. Cardiac imaging tests help healthcare providers diagnose and treat heart conditions.