The expanding role of computed tomography in the assessment of coronary artery disease and cardiac anatomy.

There are increasing options for noninvasive tests to assess patients with chest pain syndromes or risk factors for atherosclerosis. Choosing the optimal test for an individual patient can be challenging. This review focuses on the expanding role of cardiac computed tomography (CT) and the rationale for its use in different patient groups. It also discusses which patients are best suited for cardiac CT and the necessary patient preparation.